Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 0.01 minute 100 years 3 billion years 13 days 0.01 minute 100 years 3 billion years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is chlorophyll nicotine caffeine aspirin chlorophyll nicotine caffeine aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is Zeolite? Hydrated Aluminosilicate Hydrated Calcium Sulphate Dehydrated Aluminosilicate Dehydrated Calcium Sulphate Hydrated Aluminosilicate Hydrated Calcium Sulphate Dehydrated Aluminosilicate Dehydrated Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Acetylsalicylic acid Hydroxysalicylate Alkylsalicylic acid Methyl salicylate Acetylsalicylic acid Hydroxysalicylate Alkylsalicylic acid Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS