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Chemistry General Science Test Easy Mode MCQs With Answers
Question # 1
In ________________ Rutherford's was studying radiations.
Choose an answer
1911
1931
1921
1922
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Question # 2
____________ Metals are electronegative in nature.
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Pure-
Noble-
Non-
Nil
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Question # 3
Potassium's atomic no. is :
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17
18
19
20
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Question # 4
105 elements were discovered by the year ________________
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1984
1974
1086
1996
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Question # 5
____________ do not conduct electricity.
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Electrolyte
Non-electrolyte
Both
Nil
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Question # 6
____________ is prevented by Metallic coating.
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NaCl
Rust
All
None of these
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Question # 7
Which of the following is less malleable?
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Sodium
Iron
Gold
Sliver
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Question # 8
The repetition of a property after a certain interval is:
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Periodicity
Properties
Periodicity of properties
None
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Question # 9
Which of the following can be separated by physical means?
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Mixture
Element
Compound
Radical
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Question # 10
Industrial chemistry deals with the manufacturing of compounds:
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in the laboratory
on micro scale
on commercial scale
on economic scale
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Question # 11
A binary solution consists of:
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One component
Two components
Three components
Many components
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Question # 12
In the bessemerization process.
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Roasted ore is beated.
Molten matte is removed.
Molten matte is heated
Molten matte is added
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Question # 13
The plant use
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Carbon di oxide
Oxygen
Nitrogen
Sulphur
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Question # 14
Alkanes are also called:
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olefins
Paraffins
aliphatic compound
cyclic compounds
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Question # 15
One of the hydrocarbons reacts with one mole of hydrogen to form a saturated hydrocarbon. What is the formula could be of the x:
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C
3
H
8
C
6
H
12
C
4
H
10
C
2
H
16
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Question # 16
The chemical used in Clark's method is:
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CaO
slaked lime(Ca(OH)s)
washing soda
sodium zeolite
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Question # 17
The value of equilibrium constant (Kc) depends only on:
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temperature
Pressure
concentration
density
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Question # 18
Who put forward the vital force theory?
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Berzelius
Wohler
Dalton
Lavoisier
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Question # 19
Gelatin protein is found in.
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Blood
Skin
Heart
Bones
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Question # 20
Cause of Night blindness is.
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Deficiency of vitamin B
Deficiency of vitamin A
Deficiency of vitamin D
Deficiency of vitamin E
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Question # 21
Acid rain damages the building it is due to reaction on.
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Calcium sulphate
Calcium nitrate
Calcium carbonate
Calcium oxilat
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Question # 22
Main component of natural gas is
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Methane
propane
Butane
Propene
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Question # 23
If uncertainty in position of electron is zero, the uncertainty in its momentum would be.
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zero
Less than zero
Infinite
One
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Question # 24
The highest temperature above which a gas cannot be liquified, no matter how much the pressure is applied is known as
Choose an answer
Boiling temperature
Consulate temperature
Absolute zero
Critical temperature
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Question # 25
An aqueous solution of ethanol in water has vapour pressure.
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Equal to that of water
Equal to that of ethanol
More than that of water
Less than that of water
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Question # 26
Vapour pressure of a substance does not depend upon.
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Temperature
Intermolecular forces
Surface area
Physical state of water
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Question # 27
Relative lowering of vapour pressure is equl to.
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Mole fraction of solute
Mole fraction of solvent
Molarity
Molality
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Question # 28
Solvent extraction method is a particularly useful technique for separation when the product to be separated is.
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Non volatile or thermally unstable
Volatile or thermally stable
Non volatile or thermally stable
Volatile or thermally unstable
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Question # 29
Isotopes differ in.
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Properties which depend upon mass
Arrangement of electrons in orbitals
Chemical properties
None of these
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Question # 30
The atomis radius is of the order of
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10
-8
cm
10
8
cm
10
-12
cm
10
-10
cm
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Question # 31
In order to mention the oiling point of water at 110
o
C, the external pressure should be.
Choose an answer
Between 760 torr and 1200 torr
Between 200 torr and 760 torr
765 torr
Any value of pressure
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Question # 32
What is oxidation state of chlorine in Ca(ClO3)2
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+1
+3
+5
+7
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Question # 33
In zero order reaction, the rate is independent of.
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Temperature of reaction
Concentration of reactants
concentration of products
None of these
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Question # 34
Which reaction is disproportionate reaction
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Aldol Condensation
Cannizzaros's reaction
Haloform reactions
Acid-catalyzed reactions
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Question # 35
Alcohol obtained by fermentation is only upto
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10%
12%
20%
95%
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Question # 36
Which one of the following does not belong to alkaline earth metals
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Be
Ra
Ba
Rn
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Question # 37
Which of the following acids possess oxidizing and reducing properties.
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HCl
HNO2
HNO3
H2SO4
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Question # 38
Co-ordination number of Pt in Pt Cl(NO
2
)(NH
3
)
4
Choose an answer
2-
4
1
6
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Question # 39
The pH range of the acid rain is.
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7-6.5
6.5-6
6-6.5
Less than 5
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Question # 40
The thickness of ozone layer is.
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25 to 50 km
25 to 28 km
3 km only
1 km only
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Question # 41
Galvanized iron is protected by a thin layer of
Choose an answer
Cr
Zn
Sn
Pb
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Question # 42
Plastics are pollution problem because many plastics
Choose an answer
are made from petroleum
are very inflammable
burn to produce toxic fumes
decompose to produce toxic products
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Question # 43
Cholesterol is an important precursor in the biosynthesis of
Choose an answer
Sex harmonies
Adrenal hormones
Vitamin D
All of these
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Question # 44
Kaolin is a mineral of
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Carbon
Magnesium
Silicon
Aluminium
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