The compound of iron used in the manufacture of blue-black ink is

Question

The compound of iron used in the manufacture of blue-black ink is

A. ferric chloride

B. ferric sulphate

C. ferric thiocyanate

D. ferrous sulphate

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Comment

One of the ingredients of the paste on the side of a match box is

A. phosphorus pentaoxide

B. phosphorus trichloride

C. phosphorus trisulphide

D. phosphorus trioxide

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Which among the following is a local anaesthetic?

A. Chloroform

B. Morphine

C. Streptomycin

D. Cocaine

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Which of the following cannot be used as fuel?

A. Gasoline

B. Kerosene

C. Sulphuric acid

D. Alcohol

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Marble is

A. calcium carbonate

B. sodium carbonate

C. magnesium sulphate

D. ferric chloride

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CAN is used as (Calcium Ammonium Nitrate)

A. an explosive

B. a fertilizer

C. a dye

D. a bleaching agent

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High temperature thermometers use

A. sodium amalgam

B. an alloy of sodium and potassium

C. silver amalgam

D. calcium amalgam

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PAS is a drug used In the treatment of

A. tuberculosis

B. cancer

C. typhoid

D. malaria

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Galvanising is coating Iron with

A. nickel

B. zinc

C. chromium

D. copper

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The kinetic energy of gas molecules

A. is unaffected by temperature variations

B. decreases with increase of temperature

C. increases with decrease of temperature

D. increases with increase of temperature

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Calamine is a ore of

A. tine

B. magnesium

C. zinc

D. copper

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In the common soda-acid fire extinguisher, the fire is put out by

A. acid fumes

B. sodium bicarbonate

C. carbon dioxide

D. sodium carbonate

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The purest form of carbon is

A. animal charcoal

B. coal

C. wood charcoal

D. sugar charcoal

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Chloroform used as anaesthetic should be preserved In the dark in tightly stoppered bottles because otherwise

A. it becomes coloured

B. it gets evaporated in air

C. it gets oxidised to phosgene

D. it gets decomposed to chloropicrin

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Lunar caustic is

A. calcium sulphate

B. ammonium chloride

C. caustic soda

D. silver nitrate

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Oil of winter green contains

A. acetone

B. ether

C. acetic acid

D. methyl salicylate

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Marsh gas is

A. ethane

B. ethylene

C. acetylene

D. methane

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Proteins are polymerisation products of

A. aldehydes

B. alkenes

C. amino acids

D. alkynes

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Flint glass contains

A. potassium and lead silicates

B. zinc and barium borosilicates

C. potassium and calcium silicates

D. sodium and calcium silicates

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Ascorbic acid is the chemical name for

A. Vitamin B6

B. Vitamin C

C. Vitamin K

D. Vitamin D

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The noble gas which is present in microscopic quantities in air is

A. xenon

B. krypton

C. argon

D. helium

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If people sleep in closed rooms where charcoal fire is burning, they die due to

A. carbon monoxide

B. carbon dioxide

C. methane

D. phosgene

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Which among the following is a metalloid?

A. Tin

B. Silver

C. Iodine

D. Arsenic

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LSD is

A. an anaesthetic

B. a psychedelic drug

C. an antipyretic

D. an antibiotic

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The alloy added in the preparation of steel contains

A. Fe and C

B. Mn and C

C. Fe and Mn

D. Fe, Mn and C

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Burglar proof safes are made of

A. Tungsten steel

B. Manganese steel

C. Chromium steel

D. Nickel steel

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The foul odour of gasoline is due to

A. pyridine

B. hydrogen sulphide

C. cacodyl

D. carbylamines

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Which of the following is not a metal?

A. Lithium

B. Helium

C. Sodium

D. Cobalt

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Dust particles in the air of large industrial cities are removed by

A. Sedimentation

B. Electrophoresis

C. Tyndall effect

D. Brownian movement

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Jeweller's rouge is

A. magnetic oxide of iron

B. ferric oxide

C. ferrous oxide

D. ferrous carbonate

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Vulcanisation was discovered by

A. Goodyear

B. Wohler

C. Baeyer

D. Perkin

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Accepted Answer

D. ferrous sulphate

The compound of iron used in the manufacture of blue-black ink is

Correct Answer :

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Related Questions

One of the ingredients of the paste on the side of a match box is

Which among the following is a local anaesthetic?

Which of the following cannot be used as fuel?

Marble is

CAN is used as (Calcium Ammonium Nitrate)

High temperature thermometers use

PAS is a drug used In the treatment of

Galvanising is coating Iron with

The kinetic energy of gas molecules

Calamine is a ore of

In the common soda-acid fire extinguisher, the fire is put out by

The purest form of carbon is

Chloroform used as anaesthetic should be preserved In the dark in tightly stoppered bottles because otherwise

Lunar caustic is

Oil of winter green contains

Marsh gas is

Proteins are polymerisation products of

Flint glass contains

Ascorbic acid is the chemical name for

The noble gas which is present in microscopic quantities in air is

If people sleep in closed rooms where charcoal fire is burning, they die due to

Which among the following is a metalloid?

LSD is

The alloy added in the preparation of steel contains

Burglar proof safes are made of

The foul odour of gasoline is due to

Which of the following is not a metal?

Dust particles in the air of large industrial cities are removed by

Jeweller's rouge is

Vulcanisation was discovered by

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