Question # 1

conjugate base of HCl is:

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HCl^-

CH

Cl

NH₃

What is the pOH of Ca(OH)2, 0.02 M Solution.

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1.698

1.397

12.31

12.61

Which one Ion is not present in salt.

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Metallic cation

Anion of Base

Anion of acid

None metallic anion

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

Lavoisier named binary compounds of oxygen acids in .

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1787

1790

1815

1828

Which of one the following is Lewis base?

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BF3

H+

NH3

Ag+

Which acid is used an electrolyte in lead storage battery?

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H₂SO₄

HNO₃

HCl

CH₃COOH

Acidic solutions have pH value.

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Less than 7

Greater than 7

equal to 7

None of these

Acid means

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Sour

Bitter

Sweet

Salty

Which acid is used for food preservation?

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Hydrochloric acid

Benzoic acid

Sulphuric acid

Nitric acid.

A conjugate base is a specie formed by donating a.

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Proton

Electron pair

Neutron

Electron

Which of following is not amphoteric?

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H₂O

NH₃

HCO₃

SO₄

The product of any Lewis acid-base reaction is a single specie called:

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free radical

adduct

molecular ion

conjugate

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Chemistry 10th Class English Medium Unit 10 Online Test MCQs With Answers

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