General Science/General Science - Chemistry MCQs Part2 Sample Test,Sample questions

Question:
2,4-D, which is sold as a weed killer of the broad-leaved weeds is a synthetic version of __: 

1.Auxin Hormone

2.Cytokinin Hormone

3.Xylitol

4.None of them


Question:
Choose the incorrect ‘Alloy – constituent metal’ pair:

1.Lockalloy – Iron

2.Vitallium – Cobalt

3. Italma – Aluminium

4.Constantan – Copper


Question:
Consider the following compounds:  1. Water 2. Carbon dioxide 3. Carbon monoxide  Which of the above is/are organic compound/compounds?

1. 2 & 3 Only

2.1 Only

3. 1, 2 & 3

4.None


Question:
Double Sulphitation is the most commonly used method in India for refining of _?

1.Crude oil

2.Cooking oils

3.Sugar

4.Coal


Question:
How many electrons can the s-orbital accommodate?

1.1

2.2

3.8

4.16


Question:
Identify the thermosetting plastic from the given options:

1.Polythene

2.Bakelite

3.Polyvincychloride

4.Casseine


Question:
Which of the following does not increase when we move from left to right along a period in the periodic table?

1.Oxidising Power of elements 

2.Electronegativity 

3.Non-metallic Character 

4.Reducing power


Question:
The easily noticed smell of the LPG gas is because of which among the following?

1.Butane

2.Propane

3.Methane

4.Ethanethiol


Question:
The Modern periodic table has__: 

1.seven periods and eighteen groups

2.nine periods and eighten groups

3.seven periods and twenty one groups

4.nine periods and twenty one groups


Question:
What do we call the compounds of carbon having double or triple bonds between the carbon atoms?

1.Saturated carbon compounds

2.Unsaturated carbon compounds

3.Fullerenes

4.None of the above


Question:
What do we call the reactions in which there is an exchange of ions between the reactants?

1.Double Displacement reaction

2.Decomposition reaction

3.Displacement reaction

4.Combination reaction


Question:
What do we call the strain produced in a body when the deforming force produces a change in its shape without changing its volume?

1.Linear Strain

2.Volumetric Strain

3.Shearing strain

4. Thermal Strain


Question:
What happens to the non-metallic character of elements in the p-block of the periodic table?

1.non-metallic character decreases down the group

2. non-metallic character increases down the group

3. No fix pattern

4.None


Question:
What is the body called which does not have any tendency to recover its original configuration, on the removal of deforming force?

1.Perfectly plastic

2.Perfectly elastic

3.Perfectly ductile

4.None of the above


Question:
What is the force that is required to produce unit elongation in a wire known as?

1.Bulk modulus

2.Thermal strain

3.Thermal stress

4.Force constant


Question:
What is the general Q-value for alpha-decay?

1.greater than 0

2. less than 0

3. equal to 0

4.None of the above


Question:
What is the hemihydrate of calcium sulphate commonly known as?

1.Gypsum

2.Plaster of Paris

3. Chloroform

4.Limestone


Question:
What is the maximum stress after which the wire breaks called as?

1.Tensile strength

2.Shear strength

3.Bulk strength

4.Hooke’s strength


Question:
What is the order of the reaction which is independent of the concentration of reactants?

1.Zero order

2.First order

3.Second order

4.Third order


Question:
What is the ratio of change in configuration to the original configuration called as?

1. Strain

2.Stress

3. Elasticity

4.Rebound


Question:
What is the sum of powers of the concentration of the reactants called as?

1.Order of reaction

2. Stage of reaction

3. Zone of reaction

4.None of the above


Question:
When is the gamma ray emitted?

1.When a nucleus in a ground state goes to the excited state

2. When a nucleus in an excited state spontaneously decays to its ground state

3.When alpha rays and beta rays collide

4. None of the above


Question:
Which among the following acids is abundant in Grapes, Bananas and Tamarind?

1.Lactic Acid

2.Oxalic Acid

3.Salicylic Acid

4. Tartaric Acid


Question:
Which among the following acids is generally used as a first hand test to judge whether a metal is Gold or not?

1.Sulfuric Acid

2.Nitric Acid

3.Hydrochloric Acid

4.Sulfurous Acid


Question:
Which among the following is an example of a Chemical Change?

1.Rusting of iron

2. Magnetisation of iron

3.Melting of iron

4.Heating of iron


Question:
Which among the following is called Laughing Gas popularly?

1.Nitric oxide

2.Nitrous oxide

3.Nitrogen penta oxide

4.Nitrogen


Question:
Which among the following is major component of Gobar Gas?

1.Butane

2. Ethane

3.Propane

4.Metahne


Question:
Which among the following methods can be used to remove the permanent hardness in water due to calcium or magnesium sulphates?

1.Sulphonate method

2. Nitrate method

3.Zeolite method

4. None of these


Question:
Which among the following would cause the bright red color due to bursting of crackers?

1. Strontium

2.Sodium

3. Sulphur

4.Magnesium


Question:
Which of the following catalyst is used generally during the hydrogenation of Alkenes?

1.Platinum

2.Palladium

3.Nickel

4.All of the above


Question:
Which of the following compound of sodium is generally prepared by Solvay process?

1.Sodium Carbonate

2.Sodium Hydroxide

3. Sodium Chloride

4.All of the above


Question:
Which of the following factors affect the rate of chemical reaction?

1.Concentration of reactants

2.Temperature

3.Catalyst

4.All of the above


Question:
Which of the following is correct about Ammonia?

1. The ammonia molecule is trigonal pyramidal in shape

2.Ammonia gas is light blue in colour

3. its aqueous solution is highly basic

4.Ammonia gas is odorless


Question:
Which of the following is correct about ozone?

1.it is a red coloured gas

2. it is odourless

3.it is harmless in small concentrations

4.All of the above


Question:
Which of the following is correct about suspension?

1.It is a heterogeneous mixture

2.The particles of a suspension can be seen by naked eyes

3.The particles can be separated from the mixture by the process of filtration

4. All of the above


Question:
Which of the following is correct about the properties of a solution?

1.The particles of a solution can be seen by naked eyes

2.The particles of a solution scatter a beam of light passing through the solution

3.The solute particles do not settle down when left undisturbed

4.All of the above


Question:
Which of the following is not a metalloid?

1.Boron

2.Silicon

3.Germanium

4. Titanium


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

1.Newton

2.Kg

3.Watt

4.None of the above


Question:
Which of the following laws is used as a rule to predict the solubility of gases in metals?

1.Dalton’s Law

2. Sievert’s law

3.Graham’s law

4.Henry’s law


Question:
Which of the following represents the reaction of Calcium oxide and water to form Slaked lime?

1.Displacement reaction

2.Combination reaction

3.Double Displacement reaction

4.None


Question:
Which of the following statements is correct about compounds of Nitrogen?

1.Nitrous oxide is also known as laughing gas

2. The chemical formula of Nitric oxide is NO

3.Nitrogen Dioxide is a gas that is brown in color

4.All of the above


Question:
Which of the following sub-atomic particle accompanies an electron emission in Beta–decay?

1.antineutrino

2.neutrino

3.proton

4.None of the above


Question:
Which of these is NOT a compound of carbon?

1.Acetic acid

2.Chloroform

3.Caustic Soda

4.Methane


Question:
Which of these processes is responsible for the energy released in an atom bomb?

1.Nuclear Fission

2. Nuclear Fusion

3. Gamma decay

4.None


Question:
With reference to the Radioactivity, which among the following is called an isomeric transition?

1.Alpha emission

2.Gamma emission

3.Beta emission

4.X-Ray emission


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