Question

1.Write the formula of acid and base used to form the given salts.
(1) Potassium Sulphate II Zinc Chloride (111) Ammonium Chloride
4.Barium Sulphate
Q 2. Write the name of acid present in the following.
I. Apple (ii) Curd (iii) Vinegar (iv) Lemon (v) Orange (vi) Bee sting
(vii) Tamarind Q 3. Write the name of some (at least 10 chemical compounds that you use in your
day to day life. Classify them as acids, bases and salts.
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Answer 1

Answer:

1-kso4

2-Zncl

4-brso4

Answer 2

The formula of acid and base used to form the given salts is as follows:

(1) Potassium Sulphate:

• Acid = $H_{2} SO_{4}$
• Base = KOH

(2) Zinc Chloride:

• Acid = HCl
• Base = $Zn(OH)_{2}$

(3) Ammonium Chloride:

• Acid = HCl
• Base = $NH_{4}OH$

(4) Barium Sulphate:

• Acid = $H_{2} SO_{4}$
• Base = $Ba(OH)_{2}$

The name of the acid present in the following:

(i) Apple: Malic acid

(ii) Curd: Lactic Acid

(iii) Vinegar: Acetic acid

(iv) Lemon: Citric acid

(v) Orange: Citric acid

(vi) Bee sting: Formic acid

(vii) Tamarind: Tartaric acid

The name of some chemical compounds that you use in your day-to-day life are:

Acids:

• Vinegar, lemon and orange juice, wine, aspirin.

Bases:

• Potassium hydroxide (KOH), Sodium hydroxide (NaOH), Caesium hydroxide (CsOH), Strontium hydroxide (Sr(OH)2), and Lithium hydroxide (LiOH).

Salts:

• Common Salt, Washing Soda, Baking Soda, Caustic Soda, Bleaching Powder.

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