Chemistry Which gas is used as fire extinguisher ? Carbon suboxide Sulphur dioxide Carbon monoxide Carbon dioxide Carbon suboxide Sulphur dioxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Coke Bituminous Lignite Anthracite Coke Bituminous Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Radon Helium Argon Krypton Radon Helium Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of neutrons the number of nucleons the number of protons the number of protons and electrons the number of neutrons the number of nucleons the number of protons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely They contain reflecting surface ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 1.568 x 103 6.023 x 1023 4.84 x 1017 6.023 x 1019 1.568 x 103 6.023 x 1023 4.84 x 1017 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP