Question # 1

Which is used to manufacture of soap?

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NaOH

Ca(OH)₂

KOH

Mg(OH)₂

Which one is used for alkaline batteries?

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NaOH

Ca(OH)₂

KOH

Mg(OH)₂

Lavoisier named binary compounds of oxygen acids in .

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1787

1790

1815

1828

The color of Fe(OH)₂ ppt is.

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White

Brown

Muddy green

Blue

Which one of the following is Lewis base?

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NH₃

BF₃

H⁺

AlCl₃

__________ acid cause acidity of stomach.

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Oxalic acid

Hydrochloric acid

Sulphuric acid

Nitric Acid

Which is used to remove the grease stains from clothes?

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NaOH

KOH

Al(OH)₃

NH₄OH

According to Arrhenius concept acid is a substance which dissociates in aqueous solution to give.

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Hydrogen ions

Hydroxide ions

Both a and b

None of these

Which one gas is liberated when alkalies react with ammonium salts?

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O₂

CO₂

H₂

NH3

Malic acid founds in:

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Apple

Fats

Rancid Butter

Oranges

All acids turn blue litmus.

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Red

Blue

Pinck

White

Bronsted and Lowry presented their theories of acids and bases in

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1785

1787

1923

1925

Which of following is not amphoteric?

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H₂O

NH₃

HCO₃

SO₄

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