Metal And Its Compounds - Study Mode

[#171] In which of the following industries is mica used as a raw material?
Correct Answer

(D) Electrical

[#172] When calcium oxide reacts with water, . . . . . . . . is formed as a product:
Correct Answer

(C) caustic lime

[#173] Magnesium ribbon burns with a bright white flame and turns into the . . . . . . . . colour powder.
Correct Answer

(C) white

[#174] What are the products as a result of thermal decomposition of lead nitrate?
Correct Answer

(A) lead oxide + oxygen + nitrogen dioxide

[#175] Lime water turns milky on passing carbon dioxide gas through it due to the formation of:
Correct Answer

(A) CaCO 3