Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Cadmium Chromium Copper Lead Cadmium Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? CaCN2 Ca(CN)2 NH4NO3 Urea CaCN2 Ca(CN)2 NH4NO3 Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium stearate Sodium salt of benzene sulphonic acid Sodium palmitate Sodium salt of benzene carboxylic acid Sodium stearate Sodium salt of benzene sulphonic acid Sodium palmitate Sodium salt of benzene carboxylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance is highly plastic ? Mica Clay Quartz Granite Mica Clay Quartz Granite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Natural gas Dried dung Agricultural waste Sun Natural gas Dried dung Agricultural waste Sun ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium salt of benzoic acid Sodium carbonate Acetic acid Tartaric acid Sodium salt of benzoic acid Sodium carbonate Acetic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
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