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
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
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
Q. _____ is an example of ionic solids.
1) Diamond
2) copper
3) Dry Ice
4) Sodium Chloride
Q. The Chemical Symbol of Sodium is
1) S
2) So
3) Na
4) K
Q. What is the percentage of Water soluble K2O present in Murriate of Potash?
1) 57
2) 58
3) 59
4) 60
Q. Petrol Contains-
1) Carbon, oxygen
2) Hydrogen,Oxygen
3) Nitrogen, Oxygen
4) Carbon,Hydrogen
Q. Which one is an organic Acid?
1) Citric
2) Sulphuric
3) Nitric
4) Phosphoric
Q. First organic chemical to be Synthesized in Laboratory-
1) Citric Acid
2) Oxalic Acid
3) Urea
4) Phosphoric Acid
Q. A powerful eye irritant present in smog is
1) nitric oxide
2) sulphar dioxide
3) peroxyacetyl nitrate
4) carbon dioxide
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