Question

Answer the following question in detail (5 marks)
1. (a) Write down five products formed with the help of common salt on
industrial level.
(b) Write down the chemical name of these compounds and one use of
each of them.
2. Fill in the blanks
a) Acid + ______ → Salt + Water.
b) _____ + Metal → Salt + _____
c) Metal carbonate / metal hydrogen carbonate + acid
→ _______ + _______ + _______.
d) NaOH H O2 → _______ + _______
e) Na2CO3
+ 10H2O → _______.

Answer 1

Explanation:

Chemicals are:

1) Sodium hydroxide. (NaOH)

2) Baking soda ( NaHCO

3

)

3) Washing soda ( Na

2

CO

3

.10H

2

O )

4) Bleaching powder (CaOCl

2

).

Answer 2

Answer:

1.A.

It is used for preparing sodium hydroxide, baking soda, washing soda, chlorine

Chlorine, Hydrogen, potassium dichromate ,sodium bisulfate, etc

B...........................

2. fill in the blanks

a)Acid+Base--=salt + water

b)Acid+Metal--=Salt+hydrogen

c) Metal carbonate /metal hydrogen carbonate +acid =metal salt+carbon dioxide +water

d)..................

e)Na2CO3+10H2O--=Na2co3.10H2OPLEA .

Explanation:

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