Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 2 1 4 3 2 1 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Acetic acid Methane Oxygen Methyl alcohol Acetic acid Methane Oxygen Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a In a chemical reaction its oxidation number increases An electron acceptor It releases H2 in a chemical reaction An electron donor In a chemical reaction its oxidation number increases An electron acceptor It releases H2 in a chemical reaction An electron donor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.27 0.305 0.18 0.25 0.27 0.305 0.18 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon monoxide Carbon dioxide Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Lead Copper Mercury Zinc Lead Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
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