Metal And Its Compounds - Study Mode
[#316] The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as:
Correct Answer
(D) Roasting
[#317] Which of the following is the least reactive?
Correct Answer
(B) mercury
[#318] Which one of the following is not an alkaline earth metal?
Correct Answer
(D) sodium
[#319] Natrium is the Latin name of which of the following:
Correct Answer
(B) Sodium
[#320] The softest mineral, Talc (Soapstone) is mainly
Correct Answer
(D) Magnesium Silicate