Acid present in acid rain may be__________________?
Acid present in acid rain may be__________________?
A. H2SO4
B. HNO3
C. both A and B
D. none
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Amphoteric exides are those which possess ____________ properties?
Amphoteric exides are those which possess ____________ properties?A. Acidic
B. Basic
C. Acidic and basic
D. Neutral and acidicWhich of the following is not a condition for the formation of smog ?
Which of the following is not a condition for the formation of smog ?A. sufficient NO
B. sunlight
C. less movement of air
D. windsEnergy of reactant higher than energy of product favours A. Endothermic_______________?
Energy of reactant higher than energy of product favours A. Endothermic_______________?B. Exothermic
C. Moderate reaction
D. No reactionSilica gel and alumina are used as __________________?
Silica gel and alumina are used as __________________?A. Mobile phase
B. Stationary phase
C. Mixed phase
D. Single phaseWhich of the following is different with respect to physical appearance ?
Which of the following is different with respect to physical appearance ?A. Arsenic
B. Phosphorus
C. Antimony
D. BismuthWithout suction pump filtration is __________________?
Without suction pump filtration is __________________?A. Fast process
B. Slow process
C. Rapid process
D. All are possible