Question

(d) Hydrogen
residue
3. Which of the following is an inflammable gas
(a) Nitrogen
(b) Carbon dioxide (c) Oxygen
4. The bluish green copper carbonate upon heating forms a
(a) Blue
(b) Black
5. Which of the silver salt has white colouration ?
(a) AgNO, (b) Ago
(c) AgCI
(c) Green
(d) White
(d) None of the above​

Answer 1

Answer:

carbon dioxide is an inflammable gas