Question

Write 'true' or 'false' for the following statements :
1. On strong heating crystals crumble to form powdery mass.
2. Crystals having fixed number of water molecules are known as
anhydrous substances.
3. Some substances have a tendency to absorb moisture from air
and change into solution.
4. Sodium is the most reactive metal among the metals.
5. Hard water is unfit for drinking purposes, as it upsets stomach.​

Answer 1

Answer:

hii there

Explanation:

the anwers of all ur questions is

1) true

cuz crystals form powdery mass

2) false

cuz Crystals having fixed number of water molecules are known crystallisation

3) true

cuz Some substances have a tendency to absorb moisture from air and change into solution.

4) false

cuz potassium is the most reactive metal among the metals.

5) true

cuz Hard water is unfit for drinking purposes, as it upsets stomach.

plz mark me as brilliant plz

Answer 2

Explanation:

1)true

2)false

3)true

4lfalse

5)true