Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Protons Positrons Neutrons Electrons Protons Positrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Ammonia Urea None of these Uric Acid Ammonia Urea None of these Uric Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Sodium bicarbonate Magnesium carbonate Magnesium hydroxide Calcium hydroxide Sodium bicarbonate Magnesium carbonate Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Gold Platinum Mercury Iron Gold Platinum Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is FeCO3 Fe2O3 2Fe2O3. 3H2O Fe3O4 FeCO3 Fe2O3 2Fe2O3. 3H2O Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
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