Chemistry In Everyday Life

Soap is prepared by boiling caustic soda with

Innermost region of flame having the temperature

Which one of the following types of glasses is used for making optical instruments?

Which one among the following is the chemical formula of gypsum, which is an ingredient of cement?

For wheat cultivation which fertilizer is used?

Consider the following statements 1. Liquefied Natural Gas (LNG) is liquefied under extremely cold temperatures and high pressure to facilitate storage or transportation in specially designed vessels. 2. First LNG terminal in India was built in Hassan. 3. Natural Gas Matters (NGM) are separated from LPG and these include ethane, propane, butane and natural gasoline. Which of the statements given above is/are correct?

Which one of the following is not an explosive?

Soap solution used for cleaning purpose appears cloudy. This is due to the fact that soap micelles can

A polymeric substance used to make parachute is

An ideal fuel should have

KMnO 4 can be used as alan

CNG is

PVC is obtained by the polymerisation of

Which one of the following substances is most likely to be used as soap?

Humus' is an example of

Aspirin is obtained from

The most suitable vessel for storing concentrated sulphuric acid is

What is detergent?

Which one among the following is not an example of ceramics?

One property of ammonia is

The most suitable crop for green manuring is

The advantage of detergents over soaps is

Consider the following features of newer models of motor cars. 1. Radial tyres 2. Streamlined body 3. Multipoint fuel injection 4. Catalytic converter with exhaust Which of these features make the new models of motor cars more fuel efficient?

Bakelite is a co-polymer of phenol and

A powerful eye irritant present smog is

Which one of the following statements about glass is not correct?

Which of the following statements is not true for soap?

Soap, removes grease by

Hydrogen gas can be conveniently used as a fuel for running vehicles if it is absorbed at very low temperature by a substance only to be released at the temperature generated by the exhaust. What is that substance found in India?

Which of the following is not the main nitrogenous waste in humans?

Ceramic balls can be used to

Which one of the following is used in the production of explosives?

A mixture of which one of the following pairs of gases is the cause of occurrence of most of the explosions in mines?

Consider the following statements. 1. Hard soaps (common bar soaps) are the sodium salts of fatty acids. 2. Soft soaps are the potassium salts of fatty acids and semi-solid in nature. Which of the statement(s) given above is/are correct?

The basic chemical building block of natural rubber obtained from trees is

Acidic drain cleaners made of . . . . . . . . or . . . . . . . . add are powerful enough to clear heavy-duty hair, food, grease, soap scum or paper-based clogs in 15 minutes or less.

Which inorganic compound is used to manufacture soap, rayon, paper, explosives, dyes, and petroleum products?

The freezer in a refrigerator is fitted near the top

Which of the following substance is highly plastic?

Assertion (A) Synthetic detergents can lather well in hard water. Reason (R) Synthetic detergents form soluble calcium and magnesium salts with hard water.

Which one of the following organic compounds has fruity smell?

Which of the following is a natural dye?

Quality diesel is measured in terms of its

Which one of the following is the reason for keeping the chloroform in brown-tinted glass containers?

Glycol is added to aviation gasoline because it

Rock salt is a mineral containing

Which of the following vegetable oils does not contain essential fatty acids?

Which form of nitrogen is available in urea?

Consider the following statements. 1. A chalcogenide glass is a glass containing sulphur, selenium or tellurium. 2. Chalcogenide glass form the basis of re-writable CD and DVD solid-state memory technology. Which of the statement(s) given above is/are correct?

A sample of 'soft soap' contains

The drug 'Marijuana' is a

Heat resistant variety of glass is

The element which is used for vulcanising rubber

Polythene is polymer of

Glass is soluble in

A thick paste of cement, sand and water is called

Which of the following is used as filler in tyre of rubber?

Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes?

In the context of alternative sources of energy, ethanol as a viable bio-fuel can be obtained from

Which one of the flame is used by the Goldsmith to heat the gold?

LPG is a mixture of

Raw materials used for the manufacturing of glass are

RDX was invented by

The stench due to leakage from LPG cylinder is because of

The percentage of nitrogen in urea is

Bleaching powder is prepared by passing

Silk fibre chemically is

Aspirin is common name of

Glass is a

The drug used to bring down fever are known as

Which one of the following statement is correct?

Middle region of flame having the colour.

Which of the following is used as a "morning after pill"?

Gasohol is a mixture of

The substances which vaporise during burning give

Consider the following statements. Sodium silicate and sodium sulphate are mixed as detergents in washing powders so that 1. to maintain dryness of the powder. 2. to maintain the basicity of powder. Which of the following statements is correct?

Which one of the following is not a natural fibre?

Consider the following statements. 1. Fuels with low octane numbers are ideal for diesel engines. 2. Use of gasoline with low octane numbers may lead to the problem of engine knocking. Which of the statement(s) given above is/are correct?

Match the following List I with List II . List-I List-II a. NO 1. Insecticide b. PAN 2. Primary pollutant c. BHC 3. Herbicide d. NaClO 3 4. Secondary pollutant

Soap helps in better cleaning of clothes because

Nobel oil' is the name of which one of the following explosives?

Which one of the following elements is used in the manufacturing offertilisers?

Which one of the following types of glass can cut off ultraviolet rays?

Which of the following produces highest amount of energy upon oxidation?

Saccharin is made up of

Which of the following is used to remove the green colour from glass?

Match List-I with List-II and select the correct answer: List-I List-II a. Morphine 1. Antiseptic b. Sodium 2. Alloy c. Boric acid 3. Analgesic d. German silver 4. Kerosene oil

Detergents clean surfaces on the principle of

The chemical used in manufacturing of dynamite is

Which one of the following has the highest fuel value?

Chloroform can be used as

Cement containing excess amount of lime

Natural rubber is the polymer of

Which of the following metals causes Itai-Itai disease?

What is the most common salt in sea water?

Catalyst is a substance which

The amount of chlorine available in water after disinfection is called as

Which one of the following gases, released from biogas plant is used as a fuel gas?

Detergents used for cleaning clothes and utensils contain

Which one of the following is another name of RDX?

PVC' is a high strength thermoplastic material widely used in applications, such as pipes, medical devices, wire and cable insulation. What is the full form of PVC?

Extensively used nitrogenous fertiliser is

Which one of the following elements is least likely to be found in commercial fertilisers?

Which of the following is used in beauty parlours for hair setting?

Which of the following fertilisers has more nitrogen content?

The hair dye available in the market contains two bottles, one containing dye and other containing hydrogen peroxide. The bottles are mixed before applying the dye. The function of hydrogen peroxide is

Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is

The element not present in fertilisers is

Which of the following is responsible for the extra strength of pyrex glass?

Which one of the following is used in the manufacture of soaps?

Bithional is an example of

Gas used for artificial ripening of fruits is

Which of the following statements are correct? 1. The soap molecules form structures called micelles. 2. Soap micelles cannot scatter light. 3. Only dirt gets collected in the centre of the micelle.

Which type of glass is used for making glass reinforced plastic?

Which of the following imparts a blue colour to glass?

Bleaching powder is used in drinking water as alan

Which one of the following is not correctly matched?

Urea is a

The addition of gypsum to Portland cement helps in

Which one of the following explosives does not contain nitroglycerine as an essential constituent?

Biogas is formed through

Cement is formed by strongly heating a mixture of

Consider the following statements. 1. Photochromic lenses are lenses that darken on exposure to ultraviolet light. 2. Photochromic properties is due to embedded microcrystalline of silver chloride in the glass. Which of the statement(s) given above is/are correct?

Consider the following statements. 1. Glass wool has tensile strength greater than steel. 2. Glass wool is fire proof. 3. Glass wool has high electrical conductivity and absorbs moisture. 4. Glass wool is used to prepare libre glass. Which of the statements given above are correct?

Match the species in List I with their types List II . List-I List-II a. DDT 1. Photochemical smog b. NaClO 3 2. Disinfectant c. Cl 2 3. Herbicides d. PAN 4. Pesticides

By-product obtained by soap industry is

Which one among the following agents is added to domestic LPG cylinder to help in the detection of gas leakage?

Commercially, sodium bicarbonate is known as

Zinc sulphide is commonly used as

Match List-I (Type of glass) with List-II (Composition) and select the correct answer: List-I List-II a. Soda glass 1. Mixture of potassium and lead silicates b. Crown glass 2. Mixture of sodium, barium, zinc and magnesium silicates c. Flint glass 3. Mixture of sodium, zinc and aluminium silicates d. Pyrex glass 4. Mixture of sodium and calcium silicates

Which one of the following is used as preservative for foodstuff?

Consider the following statements. 1. Pyrex glasses have boron oxide as main constituent besides silica. 2. Pyrex glasses have high thermal expansion, thus less vulnerable to cracking from thermal shock. 3. They are commonly used for reagent bottles, optical component and household cookware. Which of the statement(s) given above is/are correct?

The polymerisation of which of the following is used in manufacturing of polythene in industry?

The residue left after extracting juice from sugarbeet and sugarcane is called

Which of the following is not a chemical fertiliser?

How CNG is a cleaner fuel? 1. It produces oxides of Sulphur and Nitrogen in very smal amounts. 2. It makes environment less polluted. 3. It emits less greenhouse gases.

Consider the following statements. 1. Among the fertilisers used, urea contains maximum percentage of Nitrogen. 2. The mixture of calcium sulphate is known as super phosphate of lime. 3. Potassium magnesium sulphate is called the muriate of potash. Which of the statements given above are correct?

Aspirin is

Which of the following fuels has calorific value equal to petrol?

Which one of the following is used in the preparation of antiseptic solution?

Substance used as an anti-freeze in radiators of automobiles is

One of the occupational health hazards commonly faced by the workers of ceramic, pottery of glass industries is

Which of the following is an example of fossil fuel?

Detergents are

Arsenic drugs are mainly used in the treatment of

lodised salt is beneficial for

Chemical name of bleaching powder is

Aspirin is chemically known as

The substance that is added to make natural rubber strong and more bouncy is

The chemical name of 'common salt' is

The polymer used in making plastic crockery is

Which one of the following is used as a mordant in dyeing and tanning industry?

Synthetic detergents are made from

'Milk Sugar' is

Bleaching action of moist sulphur dioxide is because of its

A drug that is antipyretic as well as analgesic is

When the fats are reacted with alkali, they form 'soaps'. The type of reaction taking place in the formation of soaps is called

Gunpowder consists of a mixture of

The name of plastic polymer from which combs, toys, bowls, etc., can be made, is

Carbon dioxide is

Which one of the following pairs is not correctly matched?

The charcoal used to decolourise brown sugar solution is

Which of the following is not a nitrogenous fertiliser?

The chief source for the production of nitrogen eous fertilisers is

Refrigerators keep food unspoiled because

Nail polish remover contains

The most popular fertiliser for foliar application is

Baking soda is

Select the correct statement 1. Cut glasses are lead glasses. 2. The main raw material for the preparation of soda glass is Na 2 CO 3 . 3. Quicklime is CaO.

Consider the following statements. The purpose of adding sodium sulphate and sodium silicate to the detergent in a washing powder is 1. to keep to washing power dry. 2. tomaintain the alkalinity of the powder. Which of these statements is/are correct?