Chemistry/G.K Question and Answer - Chemistry MCQs Set I Sample Test,Sample questions

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Question: 
As a vegetable preservative poly______ foam is used.

1.Uthane

2.Uriathenes

3.Urathanes

4.Urethanes

Posted Date:-2021-03-06 13:05:32

Question: 
 8O16, 8O17, 8O18 are called:

1.Isotopes

2.Isotones

3.Isobars

4.Isoneutrons

Posted Date:-2021-03-06 13:05:32

Question: 
 A synthetic rubber is having__________weight.

1.Higher resistance

2.Lower density

3.Higher molecular

4.Higher atomic

Posted Date:-2021-03-06 13:05:32

Question: 
 Atom is electrically:

1.Positive 

2.negative     

3.bipositive

4.neutral

Posted Date:-2021-03-06 13:05:32

Question: 
 Eating tobacco and throwing on the road can produce______pollutant.

1.Air

2.Soil

3.Noise

4.Water

Posted Date:-2021-03-06 13:05:32

Question: 
 How biocides work?

1.Control the multiplication of insects

2.Kill the insects

3. Manage the original form of material

4.Control the bacteria

Posted Date:-2021-03-06 13:05:32

Question: 
 Most commonly used Rodenticides are _______ in nature.

1. Anti pesticides

2.Anti solvent

3.Anti Coagulant

4.Non anti coagulant

Posted Date:-2021-03-06 13:05:32

Question: 
 The isotope of any atomic nucleus is in which:

1.Number of neutrons be same but number of protons be different

2.Number of protons be same but the number of neutrons be different

3. Number of protons and neutrons both are same

4.Number of protons and neutrons both are different

Posted Date:-2021-03-06 13:05:32

Question: 
 Which of the following is the heaviest metal?

1.osmium

2.mercury

3. iron

4.nickel

Posted Date:-2021-03-06 13:05:32

Question: 
Bio-chemical compounds are used as....

1.Skin Treatments

2.Food preservatives

3.Cooking Oils

4.All of the above

Posted Date:-2021-03-06 13:05:32

Question: 
Chemistry is a branch of science which can be used for providing the services to mankind. Comment on the statement.

1.TRUE

2.FALSE

3.May Be

4.Strongly not

Posted Date:-2021-03-06 13:05:32

Question: 
Define toxicity?

1.A chemical reaction

2.A process used in the manufacturing of detergents

3.A harmful effect of soaps and detergents required to measure the effectiveness.

4.A process used in the manufacturing of soaps

Posted Date:-2021-03-06 13:05:32

Question: 
Green solvents are derived from ______.

1. Renewable resources

2.Carbon resources

3.Non-renewable resources

4.All of these

Posted Date:-2021-03-06 13:05:32

Question: 
How many charges alpha-rays consist of?

1.Two unit positive charges

2.Unit negative charge

3.Unit positive charge

4.None of these

Posted Date:-2021-03-06 13:05:32

Question: 
How will you define the process of Vulcanization?

1.Sample of butane mixed with sulphur and litharge

2.Sample of propane mixed with sulphur and litharge

3. Sample of plastic formed carbon mixed with sulphur and litharge

4.Sample of rubber mixed with sulphur and litharge

Posted Date:-2021-03-06 13:05:32

Question: 
In which form the chemical compound RDX is used?

1.As an composition

2.As an reactor

3.As an explosive

4.As an nuclear weapon

Posted Date:-2021-03-06 13:05:32

Question: 
Natural rubber is a ________ which is having high elasticity.

1.Substance

2.Material

3.Elastomer

4.Chemical using carbon as main compound

Posted Date:-2021-03-06 13:05:32

Question: 
Nucleon is the name which is employed for:

1.Electron and proton  

2.proton and neutron

3.Electron and neutron   

4.None of these

Posted Date:-2021-03-06 13:05:32

Question: 
Tell the composition of soap?

1.Sodium salt with fatty acids.

2.Potassium salt with fatty acids

3.Both a & b

4.Sodium and Potassium salt mixed with chemicals

Posted Date:-2021-03-06 13:05:32

Question: 
The atomic properties depend upon:

1.Number of nucleons in the nucleus

2.Number of protons in the nucleus

3.Number of neutrons in the nucleus

4. None of these

Posted Date:-2021-03-06 13:05:32

Question: 
The estimation of the age of the earth is done by:

1.Uranium dating

2.Carbon dating

3.Atomic clock

4.Bio clock

Posted Date:-2021-03-06 13:05:32

Question: 
The group displacement law is propounded by:

1.Sody & Fujan

2.Rutherford & Sody

3.Rutherford & Fujan

4.Rutherford & Madam Curie

Posted Date:-2021-03-06 13:05:32

Question: 
The half life of a radioactive substance is 4 months then the time spent in decaying ¾th of the substance would be:

1.3 months

2. 4 months

3. 8 months

4.12 months

Posted Date:-2021-03-06 13:05:32

Question: 
The inventor of the atomic theory is:

1.Rutherford  

2.Madam Curie

3. John Dalton   

4.Albert Einstein

Posted Date:-2021-03-06 13:05:32

Question: 
The mass number of an atom is:

1.Number of nucleons in the nucleus

2.Number of protons in the nucleus

3.Number of neutrons in the nucleus

4.None of these

Posted Date:-2021-03-06 13:05:32

Question: 
The number of isotopes in the hydrogen:

1.2

2.3

3.4

4.5

Posted Date:-2021-03-06 13:05:32

Question: 
The number of neutrons and protons in the nucleus of 88Ra226 are:

1.138 and 88 

2.88 and 138

3.226 and 88

4.88 and 226

Posted Date:-2021-03-06 13:05:32

Question: 
The penetrating power of which of the following invisible radiations emitting from the nucleus has its maximum value:

1.a-rays   

2.f)-rays   

3.y-rays  

4.None of these   

Posted Date:-2021-03-06 13:05:32

Question: 
The substance (element) obtained after emission of a beta-particle from 11Na22:

1.Mg

2.Mn

3. Ag

4.Pb

Posted Date:-2021-03-06 13:05:32

Question: 
What is NBR?

1.Normal Acrylonitrile-butadiene rubber

2.Natural Acrylonitrile-butadiene rubber

3.N Acrylonitrile-butane rubber

4.Acrylonitrile-butadiene rubber

Posted Date:-2021-03-06 13:05:32

Question: 
What is Rodenticide?

1.A medicine to kill worms

2.A medicine to kill animals

3.A lubricant

4.A pesticide

Posted Date:-2021-03-06 13:05:32

Question: 
What is the radioactive isotope of hydrogen is called?

1.Deuterium

2.Rotium

3.Radium

4.Tritium

Posted Date:-2021-03-06 13:05:32

Question: 
Which acid is present in lemon?

1.marlic acid

2.citric acid

3.lactic acid

4.tartaric acid

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following compound is not used as an an alkali?

1.Sodium hydroxide

2.Potassium hydroxide

3.Carbon hydroxide

4.Nitrogen hydroxide

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following indicator used in determination of hardness?

1. EBT

2.Phenolphthalein

3.Methyl orange

4.Thymol blues

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is estimated by the radio carbon dating?

1.Age of the human being

2.Age of the fossils

3.Disease of the human body

4.Purity of the metals

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is negatively charged?

1.Alpha-rays 

2.Beta-rays     

3. Gama-rays

4.X-ray

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is not a radioactive element?

1.Astatine

2.Francium

3. Titanium

4.Zirconium

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is not a type of elements?

1.Metals

2.Non Metals

3.Metalloids

4.Gases

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is not green house gas?

1.CO

2. O3

3.CH4

4.H2O Vapour

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is not the components of photochemical smog that occurs in warm, dry and sunny climate?

1. NO2

2.O3

3.SO3

4.Unsaturated hydrocarbon

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is not the isotope of hydrogen?

1.Protium

2.Deuterium

3.Iterium

4.Tritium

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is the unit of radioactivity?

1.Curie

2.Becquerel

3.Rutherford

4.All of these

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following is used for clean oxidation?  

1. Supercritical carbon dioxide

2.Supercritical hydrogen

3.Aqueous hydrogen peroxide

4.All of these

Posted Date:-2021-03-06 13:05:32

Question: 
Which of the following treatment is used for removal of biological impurities?

1. Sedimentation

2.Boiling

3.Sterilization

4.distillation              

Posted Date:-2021-03-06 13:05:32

Question: 
Which one is not the form of Biocides?

1.Salt

2. Iodine

3. Sugar

4. Bleech

Posted Date:-2021-03-06 13:05:32

Question: 
Which one of the following received the Greener Reaction Conditions Award in 1996?

1.Dow Chemical

2.Exon Chemicals

3.US EPA

4.None of these

Posted Date:-2021-03-06 13:05:32

Question: 
Who is known as the father of Modern Chemistry?

1.Kolvey  

2.Wholer     

3.Leviatiae 

4.Pasteur.

Posted Date:-2021-03-06 13:05:32

Question: 
Who was the inventor of radioactivity?

1.Madam Curie   

2.Irine Curie

3.Henery Bacqurel 

4.Rutherford

Posted Date:-2021-03-06 13:05:32

Posted on by R4R Team

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