chemistry 3rd secondary Organic chemistry quiz 12:Chemical properties of alcohols. To : Detection of phenol Bygogorabei June 13, 2023October 26, 2023 Results - #1. (16) Bakelite is used in manufacturing electric instruments. a)Because it is a good insulator of electricity a)Because it is a good insulator of electricity b)because it is a good conductor of electricity b)because it is a good conductor of electricity c)because it is a good insulator of heat c)because it is a good insulator of heat d) b and c d) b and c #2. (17) Ethanol is not used as an antifreeze substance in car radiators, a)Because it contains one hydroxyl group that is not enough to prevent freezing of water a)Because it contains one hydroxyl group that is not enough to prevent freezing of water b)because it contains one ethyl group that is not enough to prevent freezing of water b)because it contains one ethyl group that is not enough to prevent freezing of water c)because it contains one hydroxyl group and one ethyl group that are not enough to prevent freezing of water c)because it contains one hydroxyl group and one ethyl group that are not enough to prevent freezing of water d)a and b d)a and b #3. (18) Ethylene glycol is used as an antifreeze substance in car radiators a)Because it prevents freezing of water by forming hydrogen bonds with water molecules forming of ice crystals a)Because it prevents freezing of water by forming hydrogen bonds with water molecules forming of ice crystals b)because it prevents freezing of water by forming sigma bonds with water molecules preventing formation of ice crystals b)because it prevents freezing of water by forming sigma bonds with water molecules preventing formation of ice crystals c)because it prevents freezing of water by forming pi bonds with water molecules preventing formation of ice crystals c)because it prevents freezing of water by forming pi bonds with water molecules preventing formation of ice crystals d)Because it prevents freezing of water by forming hydrogen bonds with water molecules preventing formation of ice crystals d)Because it prevents freezing of water by forming hydrogen bonds with water molecules preventing formation of ice crystals التالي
chemistry 3rd secondary Quiz2:chapter3: chemical equilibrium Bygogorabei January 22, 2023October 26, 2023 [ays_quiz id=’13’]
chemistry 3rd secondary Organic chemistry Quiz 13: Carboxylic Acids Bygogorabei June 14, 2023October 26, 2023
chemistry 3rd secondary Organic chemistry : Quiz2 – Alkanes Bygogorabei June 8, 2023October 26, 2023 [ays_quiz id=’19’]
chemistry 3rd secondary Quiz1:oraganic compounds and classification of Hydrocarbons Bygogorabei January 15, 2023October 26, 2023 [ays_quiz id=’11’]
chemistry 3rd secondary Organic chemistry Quiz 11:Chemical properties of alcohols and Detection of phenol. Bygogorabei June 12, 2023October 26, 2023