Question # 1

Which gas is evolved when acids react with carbonates and bicarbonates?

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Carbon monoxide

Carbon dioxide

Hydrogen

Hydrogen chloride

All acids turn blue litmus.

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Red

Blue

Pinck

White

Uric Acid is present in

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Apple

Fats

Urine

Grapes

Which is a Lewis base?

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H⁺

NH₄

BF₃

AlCl₃

conjugate base of HCl is:

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HCl^-

CH

Cl

NH₃

Acidic solutions have pH value.

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Less than 7

Greater than 7

equal to 7

None of these

What is the POH of a 0.02 M Ca(OH)₂?

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1.698

1.397

12.31

12.61

Phenolphthalein produces red colour in

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Acid

Base

Both a and b

None of these

Soda time is a mixture of:

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CaO and NaOH

CaCI2 and NaOH

CaO and ca(OH)2

CaCI2 and KOH

If a liquid has a pH of 7 then it must.

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Be a colourless and odourless liquid

Freeze at 0 ^oC and boil at 100 ^oC

Be natural

Be a solution containing water

Mallic acid is present in

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Apple

Feats

String of bees

Urine

Acid means

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Sour

Bitter

Sweet

Salty

Which is used for cleaning agent for domestic and commercial purpose?

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NaCl

Na₂CO₃

NaHCO₃

Na₂SiO₃

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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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