Chemistry Which of the following is not a precious/semi-precious stone? Ruby Emerald Pearl Sapphire Ruby Emerald Pearl Sapphire ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called levigation magnetic separation leaching liquation levigation magnetic separation leaching liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Flocculator Disinfectant Precipitator Hydrolyser Flocculator Disinfectant Precipitator Hydrolyser ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Remains unchanged Will be doubled Will increase four-fold Will be reduced to half Remains unchanged Will be doubled Will increase four-fold Will be reduced to half ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Neutrons None of these Electrons Protons Neutrons None of these Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
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