(1) Which one of the following is not true concerning automotive air bags? a) A

Question

(1) Which one of the following is not true concerning automotive air bags? a) A gas is produced when the air bag activates. b) The gas used for inflating them is oxygen. c) They are loaded with sodium azide initially. .d) The two products of the decomposition reaction are sodium and nitrogen. e) They are inflated as a result of a decomposition reaction. Which of the following are combination reactions? 1) CH4 (g) + O2 (g) CO2 (g) + H2O (l) 2) Cao (s) + CO2 (g) CaCO3 (s) 3) Mg (s)+O(g)-MgO (s) 4) PCOs (s) PbO (s) + CO2 (g) (2) a) 2, 3, and 4 -b) 2 and 3 4c) 1, 2, and 3 d) 1, 2,3, and 4 e) 4 only

Explanation / Answer

2) b

two molecules or compounds combined to form a single compound

so equations 2 and 3 are combination reactions

1) d

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