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 Made anode and a pure nickel rod, the cathode Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode Coated with nickel sulphate and dried ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Graphite Teflon Napthalene Diamond Graphite Teflon Napthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Is slow setting Cracks during setting Is quick setting Becomes more strong Is slow setting Cracks during setting Is quick setting Becomes more strong ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 50 and 100 km 5 and 10 km 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km 10 and 20 km 20 and 50 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP