Chemistry The metal used for making aircrafts and rockets is Copper Nickel Lead Aluminium Copper Nickel Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not an anasthetic agent in surgical operations? Ether Chloroform Acetone Nitrous oxide Ether Chloroform Acetone Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Fractional distillation of liquid air Decomposition of manganese dioxide Electrolysis of water Decomposition of potassium permanganate Fractional distillation of liquid air Decomposition of manganese dioxide Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Aluminium Chromium Carbon Tin Aluminium Chromium Carbon Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 1 0.01 0.21 0.78 1 0.01 0.21 0.78 ANSWER DOWNLOAD EXAMIANS APP
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