Q. A vegetable containing sulphur is
1 Potato
2 Cabbage
3 Brinjal
4 pumpkin
Ans: 2
Q. A single covalent bond
1 is formed by the transfer of 2 electrons
2 exists between hydrogen and chlorine in an aqueous solution, of hydrochloric acid
3 is longer than a double bond
4 does not require energy to disrupt it unlike an ionic bond
Ans: 3
Q. A Process of very slow regulated cooling is known as
1 Quenching
2 Sedimentation
3 Annealing
4 Diffusion
Ans: 3
Q. A process of very slow regulated cooling is known as
1 Quenching
2 Sedimentation
3 Annealing
4 Diffusion
Ans: 3
Q. A deficiency of this mineral can cause stretch marks in our skin; this mineral is
1 Zinc
2 Iron
3 Sodium
4 Magnesium
Ans: 1
Q. A chemical used in photography is
1 sodium sulphate
2 sodium sulphite
3 sodium oxalate
4 sodium thiosulphate
Ans: 4
Q. A Catalyst remains unchanged at the end of the reaction with regard to
1 Quality
2 chemical Composition
3 Physical State
4 Quantity and chemical composition
Ans: 4
Q. A catalyst is a substance which
1 changes the equilibrium of a reaction so that the concentration of the product increases
2 increases the rate of reaction and increases the equilibrium concentration of products
3 hastens the attainment of equilibrium
4 increases the activation energy
Ans: 3
Q. A Catalyst
1 alters the velocity of a reaction
2 increases the velocity of a reaction
3 decreases the reaction of the reaction
4 Starts a reaction
Ans: 1
Q. _____ is an example of ionic solids.
1 Diamond
2 copper
3 Dry Ice
4 Sodium Chloride
Ans: 1
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