Question # 1

_________ acid is used in lead storage batteries as electrolyte.

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CH₃COOH

HCl

HNO₃

H₂SO₄

Sum of PH and POH of a solution is:

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7

14

16

18

Which base is more corrosive?

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NH₄OH

NaOH

Ca(OH)₂

AL(OH)₂

According to Lewis concept a base is a substance which can donate.

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Proton

Electron pair

Neutron

Electron

Which of one the following is Lewis base?

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BF3

H+

NH3

Ag+

Soda lime is a mixture of..

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CaCl, + KOH

NaOH + CaO

NaOH + CaCl₂

Ca(OH)₂ + CaO

Binary compounds of oxygen such as CO2 and SO2 were names as acids by;

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Jabir Bin Hayan

Lavoisier

Al- Jahiz

Sir Humphrey Davy

What is the POH of a 0.02 M Ca(OH)₂?

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1.698

1.397

12.31

12.61

Lactic acid founds in:

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Citrus fruits

Sour milk

Rancid Butter

Apple

All water soluble metallic oxides have characteristic of:

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acidic

basic

neutral

amphoteric

Uric Acid is present in

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Apple

Fats

Urine

Grapes

Which salt is used as a table salt?

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NaCl

Na₂CO₃

Na₂SiO₃

NaCl

There are ____________ types of salts.

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2

3

6

8

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