Chemistry What is the covalency of nitrogen in ammonia molecule 2 4 5 3 2 4 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 4 2 8 1 4 2 8 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Reducing property Oxidising property Acidic property Basic property Reducing property Oxidising property Acidic property Basic property ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of H2 CH4 CO2 N2 H2 CH4 CO2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Liquid metal Liquid non-metal Solid non-metal Solid metal Liquid metal Liquid non-metal Solid non-metal Solid metal ANSWER DOWNLOAD EXAMIANS APP
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