Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Oxygen Silicon Iron Magnesium Oxygen Silicon Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Alcohols Aldehydes Esters Ethers Alcohols Aldehydes Esters Ethers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Calcium sulphate equivalents Calcium carbonate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Calcium carbonate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Made anode and a pure nickel rod, the cathode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm ANSWER DOWNLOAD EXAMIANS APP
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