MCQ

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MCQ

Acids and Bases

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1.When a small amount of acid is added to water, which phenomenon will happen…?

1 point

A Ionization

B Neutralization

C Dilution

D Salt formation

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2 Which among the following is not a base?

1 point

A NaOH

B C2H5OH

C NH4OH

D KOH

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3 An indicator is a…….

1 point

A reducing agent

B strong base or acid

C weak base or acid

D salt

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4 H3PO4 is the example of.....

1 point

A hydracids

B organic acid

C oxyacid

D salt

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5 ---------- of metals reacts with acids to form salt and water.

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A hydroxide

B carbonates

C oxides

D sulphides

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6 Which of these bases is not an alkali?

1 point

A NaOH

B NH4OH

C AI(OH)3

D all of the above are alkalies

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7 The Basiciity of CH3COOH is

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A 1

B 3

C 4

D 2

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8 H2SO4 can be prepared by reaction of water with

1 point

A NO2

B SO2

C N2O

D SO3

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9 ) Methyl orange shows colour change ….

1 point

A Red in acidic medium, colorless in basic medium

B Yellow in acidic medium, red in basic medium

C Colourless in acidic medium, red in basic medium

D Red in acidic medium, yellow in basic medium

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10 What happens to the concentration of H+ ions per unit volume on diluting an acid?

1 point

A increases

B decreases

C remains unaffected

D depends on type of acid used

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