Question

Q.1Name the following

a)The number of protons present in the nucleus of an atom.

b)The substances which take part in a chemical reaction.

c)The reactions in which heat is evolved.

d)The process of changing of a solid directly into vapours on heating.

e)A gas or liquid that transports the solution being tested through the other

Answer 1

Answer:

a.atomic number

b.reactants

c.exothermic reaction

d.sublimation