Chemistry Ruby and sapphire are oxides of Iron Tin Copper Aluminium Iron Tin Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Citric acid Oxalic acid Lactic acid Sulphuric acid Citric acid Oxalic acid Lactic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Plant gums Petroleum Coal tar Wool wax Plant gums Petroleum Coal tar Wool wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Silver Mercury Aluminium Copper Silver Mercury Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sullage water is – Waste water released from hospitals Waste water released from toilets Waste water released from kitchen Waste water released from factories Waste water released from hospitals Waste water released from toilets Waste water released from kitchen Waste water released from factories ANSWER DOWNLOAD EXAMIANS APP