Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide Aluminium phosphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper, tin and zinc Copper and tin Copper and zinc Tin and lead Copper, tin and zinc Copper and tin Copper and zinc Tin and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Smoke is formed due to Gas dispersed in gas Gas dispresed in solid Solid dispresed in liquid Solid dispersed in gas Gas dispersed in gas Gas dispresed in solid Solid dispresed in liquid Solid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted formic acid Glacial acetic acid Glacial formic acid Diluted acetic acid Diluted formic acid Glacial acetic acid Glacial formic acid Diluted acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Oxygen Nitrogen Carbon dioxide Argon Oxygen Nitrogen Carbon dioxide Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur Phosphorus Oxygen ANSWER DOWNLOAD EXAMIANS APP