Question

1) A neutralization reaction is?

a) Physical and reversible change.

b) A physical change that cannot be reversed.

c) Chemical and reversible change

d) The chemical change that cannot be reversed

2) Changes can occur due to?

a) Heating a substance

b) Freezing a substance

c) Mixing a substance with another

d) All of these

3) An ant's sting can be treated with _________ which will neutralize the effect of the chemical injected by the ant's sting into our skin.

a) Formic acid

b) Acetic acid

c) Baking soda

d) Caustic soda

4) Products of a neutralization reaction are always?

a) acid and base

b) acid and salt

c) salt and water

d) salt and base

5) Which of the following statement is / are true for chemical equations? (This is multiple choice question)

a) It's a representation of chemical reaction

b) Gives information only about the starting elements.

c) Gives information about the products being formed.

d)Tells how many atoms or molecules of an elements take part in an equation.​

Answer 1

Answer:

Gives information about the products being formed.

Answer 2

Answer:

1- d)

1- d)2- d)

1- d)2- d)3- c)

1- d)2- d)3- c)4- c)

5- a,c,d