General Science In which of the following activities silicon carbide is used? Cutting very hard substances Disinfecting water of ponds Making casts for statues Making cement and glass Cutting very hard substances Disinfecting water of ponds Making casts for statues Making cement and glass ANSWER DOWNLOAD EXAMIANS APP
General Science Which metal pollute the air of a big city? Lead Chromium Copper Cadmium Lead Chromium Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
General Science What is the unit for measuring the amplitude of a sound? Coulomb Decibel Cycles Hum Coulomb Decibel Cycles Hum ANSWER DOWNLOAD EXAMIANS APP
General Science In fireworks, the green flame is produced because of Sodium Potassium Mercury Barium Sodium Potassium Mercury Barium ANSWER DOWNLOAD EXAMIANS APP
General Science The type of glass used in making lenses and prisms is Pyrex glass Flint glass Soft glass Jena glass Pyrex glass Flint glass Soft glass Jena glass ANSWER DOWNLOAD EXAMIANS APP
General Science According to Avogadro's Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called: An atom A cation An anion A molecule An atom A cation An anion A molecule ANSWER DOWNLOAD EXAMIANS APP