Chemistry Chemical formula of washing soda is Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Bauxite Magnetite Siderite Haematite Bauxite Magnetite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A seed plant A fungus A bacterium An insect A seed plant A fungus A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Lead Mercury Zinc Tin Lead Mercury Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Gold Tungsten Platinum Iron Gold Tungsten Platinum Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? H2SO4 HCl HF HNO3 H2SO4 HCl HF HNO3 ANSWER DOWNLOAD EXAMIANS APP
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