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 Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Ethylene Acetylene Propylene Methane Ethylene Acetylene Propylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water sparingly soluble soluble None of these insoluble sparingly soluble soluble None of these insoluble ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a polymer thermoplastic thermoset chemical compound polymer thermoplastic thermoset chemical compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Chlorine Phosgene Methyl isocyanate Carbon monoxide Chlorine Phosgene Methyl isocyanate Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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