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

Question

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

A. Lead

B. Tin

C. Zinc

D. Aluminium

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Bordeaux mixture contains

A. copper sulphate and water

B. copper sulphate, lime and water

C. thio-urea and lime

D. copper sulphate and thio-urea

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Which or the following electrolysis?

A. Aluminium

B. Copper

C. Zinc

D. Iron

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Which of the following is not a chemical change?

A. Rusting of iron

B. Burning of magnesium

C. Sublimation of iodine

D. Electrolysis of water

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The metal which reacts most violently with cold water is

A. calcium

B. sodium

C. magnesium

D. potassium

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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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Two or more entirely different compounds having the same molecular formula are known as

A. isobars

B. isotopes

C. isomorphs

D. isomers

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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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The number of neutrons in the nucleus of an atom of mass A and atomic number Z is given by

A. A - Z

B. A + Z

C. Z

D. A

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Which of the following is an essential constituent of acids?

A. Oxygen

B. Nitrogen

C. Hydrogen

D. Chlorine

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The human body contains about

A. 50% water

B. 10% water

C. 70% water

D. 20% water

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Lead pencils contain

A. white lead

B. graphite

C. red lead

D. coke

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Oil of winter green contains

A. acetone

B. ether

C. acetic acid

D. methyl salicylate

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Deficiency of iron causes

A. nervous disorders

B. heart diseases

C. anaemia

D. impairment of vision

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The pH or pure water is nearly 7.0 It will increase on the addition or

A. hydrochloric acid

B. ammonia

C. cane sugar

D. common salt

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The modern system of symbols was evolved by

A. Dalton

B. Cavendish

C. Avogadro

D. Berzelius

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Which among the following is a local anaesthetic?

A. Chloroform

B. Morphine

C. Streptomycin

D. Cocaine

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White vitriol is

A. ZnSO4 . 7H2O

B. FeSO4 . 7H2O

C. MgSO4 . 7H2O

D. CaSO4 . 2H2O

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Cholesterol is

A. a carbohydrate

B. a protein

C. a lipid

D. a hormone

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An important use of nitrous acid is in

A. the manufacture of explosives

B. the manufacture of dyes

C. refrigerators

D. the preparation of drugs

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The hormone which absorption is increases glucose oxidation and glucose

A. adrenalin

B. thyroxin

C. insulin

D. epinephrine

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Which one of the following is not radioactive?

A. Astatine

B. Francium

C. Tritium

D. Zirconium

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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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Reduction involves

A. loss of electrons

B. gain of electrons

C. gain of oxygen

D. removal of hydrogen

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According to the modern Periodic Law, the properties of elements are periodic functions of their

A. valency

B. atomic mass

C. number of neutrons

D. atomic number

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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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Metals are usually heavy. A light metal is

A. manganese

B. copper

C. potassium

D. plumbum

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The oldest known organic compound is

A. urea

B. methane

C. acetic acid

D. benzene

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A compound of carbon used as anaesthetic is

A. carbon disulphide

B. carbon tetrachloride

C. phosgene

D. chloroform

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Petroleum ether is also known as

A. kerosene

B. naphtha

C. lubricating oil

D. asphalt

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Which of the following elements is not required for the healthy growth of plants?

A. Nitrogen

B. Phosphorus

C. Potassium

D. Mercury

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Accepted Answer

D. Aluminium

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

Correct Answer :

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Related Questions

Bordeaux mixture contains

Which or the following electrolysis?

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The metal which reacts most violently with cold water is

Suspended impurities in water are effectively removed by

Two or more entirely different compounds having the same molecular formula are known as

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Which among the following is a local anaesthetic?

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Reduction involves

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Metals are usually heavy. A light metal is

The oldest known organic compound is

A compound of carbon used as anaesthetic is

Petroleum ether is also known as

Which of the following elements is not required for the healthy growth of plants?

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