Chemistry Laughing gas is Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen trioxide Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Natural fibre Synthetic fibre Blend of cotton and silk Modified natural fibre Natural fibre Synthetic fibre Blend of cotton and silk Modified natural fibre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Fe2+ Ca2+ A l3+ Mg2+ Fe2+ Ca2+ A l3+ Mg2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Nitrogen Freon Oxygen Neon Nitrogen Freon Oxygen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Sulphur dioxide Carbon dioxide None of these Methane Sulphur dioxide Carbon dioxide None of these Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Copper Chromium Lead Cadmium Copper Chromium Lead Cadmium ANSWER DOWNLOAD EXAMIANS APP
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