Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 1 2 4 3 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Phenyl acetate Acetophenone Acetone Acetic acid Phenyl acetate Acetophenone Acetone Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 neutron only 1 proton only 1 proton + 2 neutron 1 electron only 1 neutron only 1 proton only 1 proton + 2 neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Positrons Protons Neutrons Electrons Positrons Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Acetic acid Citric acid Hydrochloric acid Oxalic acid Acetic acid Citric acid Hydrochloric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
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