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

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:
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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