Question

.answer all koi faltu mat likhan ...​

Answer 1

Answers :

1).

a) exothermic reaction

b) Endothermic reaction

c) Combination reaction

d) Decomposition reaction

e) Displacement reaction

2).

=> Double displacement reaction : A type of reaction in which ions of reactants get exchanged and forms new products is called a double displacement reaction.

3).

=> In neutralization reaction, an acid and base combined together to form salt and water.

4).

=> Carbon Monoxide

=> Nitric oxide

=> nitrous oxide

5).

a). Photosynthesis is an endothermic reaction.

b) Respiration is an exothermic reaction.

6).

=> We felt cool after eating glucose because it diminishes the amount of latent heat of vaporization of our body.

7).

a). Decomposition of limestone won't continue on its own if started.

b) Rusting will continue on its own if started.

8).

a) When CO2 is passed through limewater, it turned milky and forms CaCO3 ( calcium carbonate ).

b) Magnesium burns in stream to form magnesium oxide and hydrogen gas.

c) 2H2 + O2 $\longrightarrow$ 2H2O

d) Fe + CuSO4 $\longrightarrow$ FeSO4 + Cu

9).

Refer to the attachment.