Question # 1

When acids react with metals which gas is evolved?

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H₂

O₂

Cl₂

N₂

The colour of litmus in a strong basic solution become.

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Yellow

Blue

Red

Colourless

Citric acid is present in

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Citrus fruits

Sour milk

Rancid butter

Apple

The colour of litmus paper in strong acidic solution.

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Red

Blue

Yellow

Colourless

___________ is not mineral acid.

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HCl

CH₃COOH

H₂SO₄

HNO₃

Which of following is not amphoteric?

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H₂O

NH₃

HCO₃

SO₄

The meaning of latin word acidus is.

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Sweet

Tasteless

Salty

Sour

Phenolphthalein produces red colour in

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Acid

Base

Both a and b

None of these

conjugate base of HCl is:

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HCl^-

CH

Cl

NH₃

The acid which is called king of chemicals.

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Sulphuric Acid

Nitric Acid

Hydrochloric acid

Acetic acid

Lavoisier named binary compounds of oxygen acids in .

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1787

1790

1815

1828

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

Basic solution have pH value.

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Less than 7

Greater than 7

equal to 7

None of these

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10th Class Chemistry Chapter 10 Acids, Bases and Salts English Medium KPK Boards Online Mcqs MCQs With Answers

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