Chemistry The nuclear particles which are assumed to hold the nucleons together are mesons electrons positrons neutrons mesons electrons positrons neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Air exerts an upward force on the balloon Helium pushes down on the air below the balloon Helium is less dense than air The balloon is weightless Air exerts an upward force on the balloon Helium pushes down on the air below the balloon Helium is less dense than air The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Wool wax Petroleum Plant gums Coal tar Wool wax Petroleum Plant gums Coal tar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is P-chlorophenol P-nitrophenol M-nitrophenol O-nitrophenol P-chlorophenol P-nitrophenol M-nitrophenol O-nitrophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 2800°C 3200°C 3600°C 4000°C 2800°C 3200°C 3600°C 4000°C ANSWER DOWNLOAD EXAMIANS APP