General Science Washing soda is the common name for None of the listed here Sodium Carbonate Sodium Bicarbonate Calcium Bicarbonate None of the listed here Sodium Carbonate Sodium Bicarbonate Calcium Bicarbonate ANSWER DOWNLOAD EXAMIANS APP
General Science What are the soaps? Salts of silicates Esters of heavy fatty acids Sodium or potassium salts of heavier fatty acids Mixture of glycerol and alcohols Salts of silicates Esters of heavy fatty acids Sodium or potassium salts of heavier fatty acids Mixture of glycerol and alcohols ANSWER DOWNLOAD EXAMIANS APP
General Science Who suggested that most of the mass of the atom is located in the nucleus? Thompson Rutherford Einstein Bohr Thompson Rutherford Einstein Bohr ANSWER DOWNLOAD EXAMIANS APP
General Science In which of the following activities silicon carbide is used? Making cement and glass Making casts for statues Cutting very hard substances Disinfecting water of ponds Making cement and glass Making casts for statues Cutting very hard substances Disinfecting water of ponds ANSWER DOWNLOAD EXAMIANS APP
General Science In fireworks, the green flame is produced because of Potassium Mercury Barium Sodium Potassium Mercury Barium Sodium ANSWER DOWNLOAD EXAMIANS APP
General Science Knot is a unit of speed of which of the following? Aeroplane Ship Light waves Sound waves Aeroplane Ship Light waves Sound waves ANSWER DOWNLOAD EXAMIANS APP