Chemistry The most abundant inert gas in the atmosphere is Helium Argon Krypton Neon Helium Argon Krypton Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methyl alcohol Methane Ethyl formate Acetylene Methyl alcohol Methane Ethyl formate Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Protons None of these Neutrons Electrons Protons None of these Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Powder type Foam type None of these Soda acid type Powder type Foam type None of these Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 100 km 200 km 300 km 150 km 100 km 200 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Water Carbonates from soil Carbon dioxide Oxides of mineral elements Water Carbonates from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP