Chemistry At room temperature, the metal that remains liquid is: Mercury Lead Platinum Zinc Mercury Lead Platinum Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Sedative Hallucinating substance Mental stimulant Tranquillizer Sedative Hallucinating substance Mental stimulant Tranquillizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is 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 Dipped in a nickel sulphate solution Made cathode and a pure nickel red, the anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 6 18 12 Zero 6 18 12 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Tetramethyl lead Tetraethyl lead Trimethyl lead Triethyl lead Tetramethyl lead Tetraethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Nonpolar Covalent Ionic Polar Nonpolar Covalent Ionic Polar ANSWER DOWNLOAD EXAMIANS APP