Chemistry/Chemistry MCQ Questions Set-3 Sample Test,Sample questions

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Question: 
A device used for the measurement of radioactivity is

1. mass spectrometer

2.cyclotron

3.nuclear reactor

4.G.M.counter

Question: 
A particle which is similar to electron is

1.positron

2.beta particle

3.photon

4.mason

Question: 
An electrically charged atom or group of atoms is called

1. An ion

2.A meson

3.A electron

4.None of the above

Question: 
ATP stands for -

1. Adenosine triphosphate

2.Alanine triphosphate

3.Adrenalin triphosphate

4. Asparagine triphosphate

Question: 
Blue litmus paper is converted into red in solution of _______

1.Acid

2.Base

3.Alkali

4.Salt

Question: 
Choose the pure substance from the list below.

1.Sugar

2.Lemonade

3.Air

4.Sea water

Question: 
Curdling of milk is an example of

1.Inversion

2.Denaturation

3.Hydrolysis

4.Coagulation

Question: 
Cutting and peeling of onion brings tears to the eyes because of the presence of _____ ?

1.Amino acid

2.Sulfur

3.Carbon

4.Fat

Question: 
Formation of cation occurs by

1. gain of electron

2.loss of electron

3.gain of proton

4.loss of proton

Question: 
Gammaxene D.D.T. & Bleaching powder are important compounds of

1.Nitrogen

2.Phosphorus

3.Chlorine

4.Sulphur

Question: 
Gold and silver are extracted from their respective ores by _______

1.Smelting

2.Roasting

3.Leaching

4.Hydro metallurgy

Question: 
In nuclear reactor the speed of neutrons is slowed down by

1.heavy water

2. ordinary water

3. Zinc rods

4.molten caustic soda

Question: 
In photography the compound of nitrogen used is

1.Potassium nitrate

2.Silver nitrate

3.Ammonium carbonate

4.Ammonium bicarbonate

Question: 
Is SiCl4 polar or nonpolar?

1.Polar

2.non polar

3.Both A & B

4.None of the above

Question: 
Milk is an example of a

1.Emulsion

2.Solution

3.Gel

4.Suspension

Question: 
Modern periodic table is based on atomic number of the elements. The significance of atomic number was proved by the experiment of ________

1.Moseleys work on X-ray spectra

2.Braggs work on X-ray diffraction

3.Mullikens oil drop experiment

4.Discovery of X-ray by Roentgen

Question: 
Natural radioactivity was discovered by

1.Rutherford

2.Becquerel

3.Curie

4.Schmidt

Question: 
Of the following elements which one has the same oxidation  state in all of its compounds?

1.Hydrogen

2.Fluroine

3.Carbon

4.oxygen

Question: 
Permanent hardness of water is due to the presence of  ?

1.Calcium sulphate

2.Calcium bicarbonate

3.Sodium bicarbonate

4. Magnesium bicarbonate

Question: 
Species containing same number of electrons are called

1.Isotopes

2.Isobars

3.Isoelectronic

4.Isotones

Question: 
Systematic name for (CuI)s ?

1.Copper Iodide

2.Cobalt Fluoride

3.Ferrous Oxide

4.All of the above

Question: 
TEL minimise the knocking effect when mixed with petrol it acts as_______

1.Positive catalyst

2.Negative catalyst

3.Auto catalyst

4.Induced catalyst

Question: 
The charge on positron is equal to the charge on

1.proton

2.electron

3.alpha- particle

4.neutron

Question: 
The magnetic moment (spin only) of  [NiCl4]2?is

1.1.41 BM

2.1.82 BM

3.5.46 BM

4.2.82 BM

Question: 
The maximum number of electrons that can be accommodated in a shell depends on the formula

1.1n2

2.n2

3.3n2

4.2n2

Question: 
The monomer of polythene is

1.ethylene

2.ethyl alcohol

3.vinyl chloride

4.ethanol

Question: 
Van der Waals equation explains the behaviour of _____

1.Ideal gases

2.Real gases

3.Mixture of gases

4.Diatomic gases

Question: 
What does one mole of H2O correspond to

1.16 gms

2. 18 gms

3.20 gms

4.22 gms

Question: 
What is the gram formula mass of Li2SO4?

1.101.2487

2.109.9446

3.111.2687

4.106.5871

Question: 
What is the primary component of natural gas?

1.Nitrogen

2.Ethane

3.Propane

4.Methane

Question: 
Which bond has the greatest ionic character?

1.H-F

2.H-Cl

3.H-N

4.H-O

Question: 
Which compound contains both ionic and covalent bonds?

1.NaNO3

2.CaSO4

3.NH4Cl

4.All of the above

Question: 
Which compound forms a colored aqueous solution?

1.CrCl3

2.KBr

3.CaCl2

4.NaOH

Question: 
Which element has similar properties to Beryllium?

1.Manganese

2.Calcium

3.Both A & B

4.Helium

Question: 
Which gas is known as Fuel of Future ?

1.Methane

2.Oxygen

3.Neon

4.Hydrogen

Question: 
Which metal pollute the air of a big city?

1.Chromium

2.Lead

3.Copper

4.Zinc

Question: 
Which of the following acts both as oxidising and reducing agent?

1.nitric acid

2.ammonia

3.nitrous acid

4. nitrogen peroxide

Question: 
Which of the following does not contain the material particles

1.alpha - rays

2.beta - rays

3.gamma - rays

4.anode rays

Question: 
Which of the following is a radioactive element

1.Sulphur

2.Polonium

3.Tellurium

4.Selenium

Question: 
Which of the following is a regenerated fibre?

1.Terylene

2.Rayon

3.Nylon

4.Silk

Question: 
Which of the following is called the King of Chemicals ?

1.Nitric acid

2.Hydrochloric acid

3.Silver nitrate

4.Sulphuric acid

Question: 
Which of the following is not a compound?

1.Brass

2.Quick lime

3.Marble

4.Soda ash

Question: 
Which of the following is not a property of water?

1.Low density

2.Low specific heat

3. Low heat of vaporisation

4. All of the above

Question: 
Which of the following is the strongest base?

1.LiCH3

2.LiF

3.LiOH

4.LiNH2

Question: 
Which of the following processes is used to remove reducible oxides from the metal?

1.liquation

2.cupellation

3.poling

4.electro refining

Question: 
Which of the following statement(s) is/are CORRECT? I. Acids are sour in taste and generate H+ ions. II. Acids are sour in taste and generate OH– ions. III. Bases are bitter intaste and generate OH– ions.

1.Only I and III

2.Only I and II

3.Only II and III

4.All I II and III

Question: 
Which one of the following is an element?

1.Topaz

2.Rruby

3.Diamond

4.Sapphire

Question: 
Which one of the following is not radioactive

1.Astanine

2.Francium

3.Tritium

4.Zirconium

Question: 
Which sample of matter is a mixture?

1.KBr (S)

2. NaCl (L)

3.K (S)

4.NaCl (Aq)

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