Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Benzoic acid Cinnamic acid Phthalic acid Oxalic acid Benzoic acid Cinnamic acid Phthalic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Lignite Coal Biomass Petroleum Lignite Coal Biomass Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 proton + 2 neutron 1 neutron only 1 proton only 1 electron only 1 proton + 2 neutron 1 neutron only 1 proton only ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Mica Manganese Chromite Bauxite Mica Manganese Chromite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Propyl alcohol Phenol Methane Methyl alcohol Propyl alcohol Phenol Methane Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Sulphur dioxide Arsine Nitrous oxide Ammonia Sulphur dioxide Arsine Nitrous oxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
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