Chemistry The molecular formula of phosphorous is P4 P2 P1 P3 P4 P2 P1 P3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Tin Zinc Lead Copper Tin Zinc Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder None of these Aluminium powder Aluminium sulphate Solder None of these Aluminium powder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Condensation Condensation Condensation Dialysis Condensation Condensation Condensation Dialysis ANSWER DOWNLOAD EXAMIANS APP
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