Chemistry Brass is made of Tin and lead Copper and zinc Copper and tin Copper, tin and zinc Tin and lead Copper and zinc Copper and tin Copper, tin and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 7.2 x 5x 5x/36 x/6 7.2 x 5x 5x/36 x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Bromine water Hydrogen peroxide Acidified potassium permanganate Alkaline potassium permanganate Bromine water Hydrogen peroxide Acidified potassium permanganate Alkaline potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Oxides of nitrogen Polyclinic hydrocarbons Carbon monoxide Lead Oxides of nitrogen Polyclinic hydrocarbons Carbon monoxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Neon Argon Hydrogen Helium Neon Argon Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium carbonate Calcium nitrate Calcium chloride Calcium sulphate Calcium carbonate Calcium nitrate Calcium chloride Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
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