Metal And Its Compounds - Study Mode

[#131] Which of the following is not a form of Calcium Carbonate?
Correct Answer

(B) Gypsum

[#132] Match List-I with List-II and select the correct answer: List-I (Naturally occurring substance) List-II (Elements present) a. Diamond 1. Calcium b. Marble 2. Silicon c. Sand 3. Aluminium d. Ruby 4. Carbon
Correct Answer

(D) a-4, b-1, c-2, d-3

[#133] Zinc can separate copper from copper sulphate solution, because zinc-
Correct Answer

(C) is more reactive than copper

[#134] Gold is soluble in which of the following:
Correct Answer

(C) Aquarezia

[#135] Sodium calcium silicate is called . . . . . . . .
Correct Answer

(C) soft glass