Chemistry Rock salt is a mineral containing Potassium Iron Sodium Magnesium Potassium Iron Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphuric acid Hydrochloric acid Sulphurous acid Hydrofluoric acid Sulphuric acid Hydrochloric acid Sulphurous acid Hydrofluoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Hydrochloric acid Nitric acid Aqua-regia Acetic acid Hydrochloric acid Nitric acid Aqua-regia Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most malleable metal is iron gold platinum silver iron gold platinum silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Lead Copper Cadmium Chromium Lead Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Tungsten Platinum Iron Gold Tungsten Platinum Iron Gold ANSWER DOWNLOAD EXAMIANS APP