Question # 1

The color of Fe(OH)₂ ppt is.

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White

Brown

Muddy green

Blue

Temporary hardness can be removed by__________.

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Quick lime

Slaked lime

Lime stone

HCl

Coal is the mixture of

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Hydrogen

Methane

Carbon monoxide

All

The formula of ozone is.

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O₂

O₃

O

CO

Which one is not a characteristic of an acid:

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it turns red litmus blue

it reacts with base to form salt and water

Its aqueous solution conduct electric current

it has sour taste

Chloroform is used for

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Anesthesia

Fever

Link

Toys

A base is a substance which neutralizes and acid. Which of these substances is not a base?

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aqueous ammonia

Sodium chloride

Sodium carbonate

Calcium oxide

Which gas is responsible in warming the atmosphere?

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Nitrogen

Hydrogen

Helium

Fluorine

On hydrolysis sucrose produces one unit of glucose and one unit of.

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Fructose

Starch

Cellulose

None of them

Which of one of the following is used as as fumigant:

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Ethyl alcohol

ethylene oxide

ethylene glycol

diethyl ether

The color of hydrogen Iodide is:

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Colourless

Black

Red

Pink

At the height 880120 km from earth's surface is.

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Troposphere

Mesosphere

Stratosphere

Thermosphere

Amino acid are the building blocks of .

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Proteins

Carbohydrates

Vitamins

fats

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Chemistry 10th Class English Medium Online Test MCQs With Answers

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