Chemistry Tar roads get damaged if there is No maintenance No sloping Stagnation of water on road Heavy traffic No maintenance No sloping Stagnation of water on road Heavy traffic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Aluminium Copper Iron Titanium Aluminium Copper Iron Titanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Aluminium Sodium Calcium Silver Aluminium Sodium Calcium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Dye laser Gas laser Semiconductor laser Excimer laser Dye laser Gas laser Semiconductor laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP