Chemistry The resources which can be used continuously, year-after -year are called Renewable Abiotic Biotic Non-renewable Renewable Abiotic Biotic Non-renewable ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Methane Oxygen Methyl alcohol Acetic acid Methane Oxygen Methyl alcohol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 88 50 138 314 88 50 138 314 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Natural fibre Synthetic fibre Modified natural fibre Blend of cotton and silk Natural fibre Synthetic fibre Modified natural fibre Blend of cotton and silk ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP