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Dry Ice is

A. solid carbon dioxide

B. liquid oxygen

C. liquid hydrogen

D. liquid. Chlorine

Correct Answer :

A. solid carbon dioxide


Related Questions

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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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The pure at form of iron is

A. wrought iron

B. steel

C. pig iron

D. nickel steel

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LSD is

A. an anaesthetic

B. a psychedelic drug

C. an antipyretic

D. an antibiotic

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Harmful bacteria in drinking water cannot be destroyed by

A. chlorination

B. boiling

C. adding caustic soda

D. ozonisation

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Suspended impurities in water are effectively removed by

A. adding milk of lime

B. filtering through sand

C. adding filter alum

D. chlorination

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The ore of iron is

A. Dolomite

B. Magnetite

C. Bauxite

D. Anglesite

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Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

A. Aluminium

B. Chromium

C. Nickel

D. Tungsten

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A substance used as a fire-extinguisher under the trade name of Pyrene is

A. carbon dioxide

B. chloroform

C. carbon tetrachloride

D. bleaching powder

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Smelling salt contains

A. ammonium chloride

B. ammonium carbonate

C. ammonium sulphate

D. potassium nitrate

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Mortar contains cement and sand in the ratio of

A. 1 : 1

B. 1 : 2

C. 2 : 3

D. 1 : 3

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An example of stimulant fertilizer is

A. gypsum

B. urea

C. potassium nitrate

D. ammonium phosphate

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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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An essential condition for rusting is

A. high temperature

B. light

C. moisture

D. dry air

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Riboflavin deficiency causes

A. tongue inflammation

B. pellagra

C. night blindness

D. anaemia

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The simplest hydrocarbon is

A. benzene

B. methane

C. ethane

D. butane

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Alum is used

A. as an analgesic

B. in the purification of water

C. as a fertilizer

D. as a disinfectant

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Which one of the following metals is used to extract another metal?

A. Lead

B. Tin

C. Zinc

D. Aluminium

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Water always contains hydrogen and oxygen in the ratio 1:8 by weight. This is in accordance with the

A. Law of Multiple Proportions

B. Law of Definite Proportions

C. Law of Conservation of Mass

D. Law of Reciprocal Proportions

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The addition of a neutron to the nucleus of an atom

A. increases the atomic mass of the atom

B. decreases the atomic mass of the atom

C. increases the charge on the nucleus

D. decreases the charge on the nucleus

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Brass contains

A. copper and tin

B. aluminium and magnesium

C. copper and zinc

D. copper, tin and zinc

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In the nitrogen cycle, denitrifying bacteria

A. oxidise ammonia to nitrates

B. convert nitrogen into ammonia

C. oxidise ammonia to free nitrogen

D. oxidise ammonia to oxides of nitrogen

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Iodine in alcohol is known as

A. quick lime

B. tincture iodine

C. rectified spirit

D. None of these

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Argyrol used as eye ointment is a solution of

A. hydrogen peroxide

B. silver nitrate

C. tincture iodine

D. m-cresol

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Cinnabar is an ore of

A. lead

B. zinc

C. mercury

D. chromium

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Which of the following is not a supporter of combustion?

A. Oxygen

B. Air

C. Hydrogen

D. Chlorine

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Phosgene is a compound of

A. red phosphorus and oxygen

B. white phosphorus and oxygen

C. carbon monoxide and chlorine

D. carbon dioxide and chlorine

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Which one of the following gases is extremely soluble in water?

A. Carbon dioxide

B. Ammonia

C. Chlorine

D. Hydrogen sulphide

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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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Solid carbon dioxide (Dry ice) is also known as

A. Thiokol

B. Drikold

C. Perhydrol

D. Mannitol

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Artificial diamonds were produced by

A. Moissan

B. Davy

C. Faraday

D. Marie Curie