Chemistry Cement is made hard with Polymerisation Dehydration Hydration and dissociation of water Dissociation of water Polymerisation Dehydration Hydration and dissociation of water Dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d B and c A and b A and c C and d B and c A and b A and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Crude oil Coke Compressed and hardened biomass Deposit of animal waste Crude oil Coke Compressed and hardened biomass Deposit of animal waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ethane Chloropicrin Ether Ethanol Ethane Chloropicrin Ether Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Cannot be negative Can have any value above zero Will always be positive Can never be positive Cannot be negative Can have any value above zero Will always be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Chlorine Bromine Iodine Flourine Chlorine Bromine Iodine Flourine ANSWER DOWNLOAD EXAMIANS APP