Chemistry Choose the incorrect statement pertaining to organic compounds They contain mainly carbon and hydrogen They are not easily combustible They do not dissolve in water They have low melting and boiling points They contain mainly carbon and hydrogen They are not easily combustible They do not dissolve in water They have low melting and boiling points ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : 95% ethyl alcohol 100% ethyl alcohol Tincture iodine Methylated spirit 95% ethyl alcohol 100% ethyl alcohol Tincture iodine Methylated spirit ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Sodium Barium Strontium Calcium Sodium Barium Strontium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? European Union, China, USA, India China, USA, European Union, India China, India, European Union, USA USA, India, China, European Union European Union, China, USA, India China, USA, European Union, India China, India, European Union, USA USA, India, China, European Union ANSWER DOWNLOAD EXAMIANS APP