Chemistry The temperature of oxy-acetylene flame is around 4000°C 3200°C 3600°C 2800°C 4000°C 3200°C 3600°C 2800°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Mica Coal Petroleum Natural Gas Mica Coal Petroleum Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 5 2 4 3 5 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is Hydro-electricity Uranium None of these Diamond Hydro-electricity Uranium None of these Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Na Hg Fe Ag Na Hg Fe Ag ANSWER DOWNLOAD EXAMIANS APP