Question

Fill in the blanks:

a

(i) Chemical reaction are the process in which ______ substances with new _____ are formed.

(ii) In chemical reaction the _____ obtained must have different properties from that of _____.

(iii) In a chemical reaction there must be either an _____ or an _____ of heat.

b

State true or false:

(i) In chemical reaction product obtained had same properties as that of a reactant.

(ii) In chemical reaction there is always a loss of matter.

c

What are chemical reactions?

d

What are reactants?

e

What do chemical reactions yield?​

Answer 1

fill

1)new,properties

2) products, reactants

3) release, absorption

true or false

1)false

2) false

chemical reaction. refer to 1) of fill.

reactants are the substances taking part in a chemical reaction.

chemical reactions yield products with a change in property.