Chemistry Domestic cooking gas consists mostly of Methane and ethane Hydrogen and acetylene Liquified butane and isobutane Ethylene and carbon monoxide Methane and ethane Hydrogen and acetylene Liquified butane and isobutane Ethylene and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrite Sodium carbonate Sodium nitrate Sodium bicarbonate Sodium nitrite Sodium carbonate Sodium nitrate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Acidified potassium permanganate Hydrogen peroxide Alkaline potassium permanganate Bromine water Acidified potassium permanganate Hydrogen peroxide Alkaline potassium permanganate Bromine water ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and pudding Plum and cake Cream and cake Plum and pudding Cream and pudding Plum and cake Cream and cake Plum and pudding ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS