Chemistry The main constituent of biogas is Acetic acid Methyl alcohol Oxygen Methane Acetic acid Methyl alcohol Oxygen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane ozone oxygen helium methane ozone oxygen helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Modified natural fibre Blend of cotton and silk Natural fibre Synthetic fibre Modified natural fibre Blend of cotton and silk Natural fibre Synthetic fibre ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : N-heptane Iso-octane 2,2-dimethyl hexane 2-methyl heptane N-heptane Iso-octane 2,2-dimethyl hexane 2-methyl heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry During fermentation of sugar, the compound which is always formed is : Ethyl Alcohol Ethylene Acetic Acid Methyl Alcohol Ethyl Alcohol Ethylene Acetic Acid Methyl Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Jojoba wax Carnauba wax Paraffin wax Bees wax Jojoba wax Carnauba wax Paraffin wax Bees wax ANSWER DOWNLOAD EXAMIANS APP