Chemistry The working of a dry cell is based on Electrolysis Spontaneous oxidation-reduction reaction Decomposition reaction Combination reaction Electrolysis Spontaneous oxidation-reduction reaction Decomposition reaction Combination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Increasing Zero Constant Decreasing Increasing Zero Constant Decreasing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Cast iron High speed steel Stainless steel Wrought iron Cast iron High speed steel Stainless steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pt Cu Ni Pb Pt Cu Ni Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Plastic Aluminium D.T. Paper Plastic Aluminium D.T. Paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Hydrochloric acid Aqua ragia Nitric acid Sulphuric acid Hydrochloric acid Aqua ragia Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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