Disha Expert Team Solutions for Chapter: General Concepts of Chemistry, Exercise 1: EXERCISE

Which of the following reaction is endothermic?

The observation that does not indicate a chemical reaction is:

Which one of the following is not an exothermic reaction? 

Which of the following statement is not correct? To prevent food from getting rancid, we:

In the following questions:

${\mathrm{Na}}_2{\mathrm{CO}}_3 + \mathrm{xHCl} \to 2\mathrm{NaCl} + {\mathrm{CO}}_2 + {\mathrm{H}}_2\mathrm{O}$, the value X of is: 

Which of the following is not an endothermic process?

Rusting of iron is an example of_____.

Which of the following does not corrode when exposed to the atmosphere?