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

Question:
 The element whose oxidation state in its every compound is same:

1.Carbon

2.Fluorine

3.Hydrogen

4.Oxygen


Question:
 In the process of electrolysis reduction occurs at :

1.Cathode

2.Anode

3.Both of these

4.None of these


Question:
 Isotones are those which have:

1.Equal number of protons

2. Equal number of neutrons

3.Equal number of nucleons

4.None of these


Question:
 The average pH value of the milk is:

1.6.1

2.6.6

3.7.4

4.8


Question:
 The rusting of the iron is the example of:

1.Oxidation

2.Reduction

3.Polymerisation

4.Galvanization


Question:
 The smoke is the example of:

1.the solution of solid in the liquid

2.the solution of liquid in the liquid

3.the solution of solid in the gas

4.the solution of gas in the liquid


Question:
 The tendency to accept the electron is called:

1.Oxidation

2.Reduction

3.catylisation

4.Self induction


Question:
 What is the shape of the ethylene molecule?  

1. Linear

2.Tetrahedral

3.Coplanar triangular

4.Hectohedral


Question:
By the emission of which isomers are produced:

1.Alpha-ray

2.Beta-ray

3.Gama-ray

4.X-ray


Question:
How many molecules have the methane?

1.Double bond

2.Triple bond

3.Single covalent bond

4.None of these


Question:
Hydrogen is the most fundamental component of all the acid, it is firstly stated by:

1.Arrhenius

2.Bronsted

3. Devi

4. Lori


Question:
In the endothermic reaction:

1.Heat is absorbed

2. Heat is evolved

3.Heat doesn't change

4.Temperature remains constant


Question:
In the exothermic reaction:

1.Heat is absorbed

2.Heat is evolved

3. Heat doesn't change

4.Temperature remains constant


Question:
In the galvanic cell, the process takes place is:

1.Transformation of the electrical energy into the chemical energy

2.Transformation of the chemical energy into the electrical energy

3.Transformation of light energy into the electrical energy

4.Transformation of electrical energy into the light energy


Question:
In the process of electrolysis oxidation occurs at:

1.Cathode

2.Anode

3.Both of these

4.None of these


Question:
In which of the following chlorine has + 1 oxidation number?

1.Hypochlorous acid

2.Hydrochloric acid

3. Zinc chloride

4.Chlorine  


Question:
In which of the following silver is not to be present?

1.Horn silver

2.German silver

3.Ruby silver

4.Lunar caustic


Question:
Which isotope is used through the radioactive age estimation technique to obtain (determine) the age of rocks?

1.Uranium isotope

2. Plutonium isotope

3.Thorium isotope

4.Carbon isotope


Question:
Mohr salt is:

1.Simple salt

2.Hybrid salt

3.Double salt

4.Complex salt


Question:
The acid is a substance which:

1.Accepts (gains) electron

2.Donates electrons

3.Provides (donates) proton

4.Donates OH- ion


Question:
The air is the example of:

1.the solution of solid in the gas

2. the solution of gas in the gas

3.the solution of liquid in the gas

4.the solution of liquid in the solid


Question:
The alkali is a substance which:

1. Provides (donates) proton

2.Accepts proton

3.Donates electron

4.Accepts electron pair


Question:
The alloys are:

1.the solution of solid in the solid

2.the solution of solid in the liquid

3. the solution of gas in the liquid

4.the solution of gas in the gas


Question:
The average pH value of the human blood is:

1.5.4

2.6.2

3.7.4

4.8.7


Question:
The catalyst employed in the hydrogenation process of the oils is:

1.Fe

2.Ni

3.Mo

4.Pt


Question:
The catalyst is a substance through which the rates of chemical reactions are:

1.Increased

2.Decreased

3. Changed

4.None of these


Question:
The chemical reactions which occur in one direction (from left to right) are called:

1.Reversible reaction

2.Irreversible reactions

3.Endothermic reactions

4.Exothermic reactions


Question:
The container employed in the process of electrolysis is called:

1.Ammeter

2.Voltmeter

3.Voltammeter

4.Calorimeter


Question:
The element chromium (Cr) has its oxidation number in K2Cr2O7:

1. + 6 

2. - 2 

3.+ 7 

4.-7


Question:
The element which has same mass number but different atomic number is called:

1.Isotope

2.Isobar

3.Isoneutronic

4.Isoelectronic


Question:
The first time pH value measurement is done by:

1.Leviatiae

2.Pristley

3.Cauvendish

4.Sorensan


Question:
The gaseous law of diffusion was propounded by:

1.Boyle

2. Charles

3.Avogadro

4.Grahm


Question:
The higher boiling point of the water occurs due to:

1.Its more specific heat

2.Its more value of the dielectric constant

3. Less molecular disassociation in H20

4.Presence of hydrogen bonding among the molecules of H20


Question:
The hydrogen burning process is directly associated with:

1.Hydrolysis

2.Reduction

3.Oxidation

4.Hydrogenation  


Question:
The iron container or vessel is galvanized by :

1.Chromium

2.Chromium

3. Aluminium

4. Nickel


Question:
The iso electronic of AI+3 is:

1. CI-

2.AI

3.S-

4. F-


Question:
The milk is the example of:

1.Solution

2.Colloidal solution

3.Emulsion

4. Air-solution


Question:
The pH value of any solution is 6 then the hydrogen ion concentration in the solution would be:

1.10-6M

2.10-10M

3.1010M

4.106M


Question:
The process of corrosiondoesn’t take place in which of the following metals, when these metals are left free in the air:

1.Iron

2.Copper

3.Gold

4.Silver


Question:
The radio isotope used to control the disease like blood cancer (Leukaemia) is:

1.Phosphorus-32

2.Cobalt-60

3. Iodine-131

4.Sodium-24


Question:
The substance which makes the blue litmus paper red is :

1.Acid

2. Base

3.Alkali

4.Salt


Question:
The substance which makes the red litmus paper blue is:

1. Acid

2.Alkali

3.Salt

4. None of these


Question:
The tendency to donate the electron is called:

1.Oxidation

2.Reduction

3.catylisation

4.self-induction


Question:
Through the fused sodium chloride, electric current can pass out due to the presence of:

1.Free electron

2.Free ion

3.Free molecule

4.The atoms of sodium and chlorine


Question:
What is the pH value of pure water?

1.6.4

2.6.6

3. 7

4.7.4


Question:
Which of the following compound is tetrahedral?  

1. Ammonia

2.Carbon tetrachloride

3.Water

4.Acetylene


Question:
Which of the following is called philosopher's wool?

1.Zinc bromide

2.Zinc nitrate

3.Zinc oxide

4.Zinc chloride


Question:
Which of the following is utilized in the form of electrolyte of the dry cell (battery)?

1.Ammonium chloride and zinc chloride

2.Sodium chloride and calcium chloride

3.Magnesium chloride and zinc chloride

4. Ammonium chloride and calcium chloride


Question:
Who is the inventor of the catalyst?

1.Berzeleous

2.Rutherford

3.Louis

4.Kosell


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