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 of the above
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Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?
Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?A. Toluene
B. Ethyl benzene
C. n-propyl benzene
D. AllWhen phenol is heated with concentrated nitric acid the product is________________?
When phenol is heated with concentrated nitric acid the product is________________?A. Picric acid
B. o-nitrophenol
C. 1 3 5 -trinitro benzene
D. p-nitrophenolSalt bridge transfers_______________?
Salt bridge transfers_______________?A. electrons
B. anion
C. current
D. ionsNaOH is named as caustic soda because________________?
NaOH is named as caustic soda because________________?A. It corrodes the organic tissues
B. It is used in soda water
C. It reacts with chlorine gas
D. It reacts with fats to form soapWhich of the following statements is false about transition metals?
Which of the following statements is false about transition metals?A. They form complexes
B. They show variable valency
C. All transition metal compounds are paramagnetic
D. They form coloured ionsIn Galvanic cell electrons flow from anode to cathode through__________________?
In Galvanic cell electrons flow from anode to cathode through__________________?A. external electric circuit
B. salt bridge
C. movement of ions
D. all of the above