Chemistry Which one of the following is not coal variety? Dolomite Lignite Peat Bituminous Dolomite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. Both A and R is true but R is not a correct explanation of A A is true but R is false A is false but R is true Both A and R is true and R is the correct explanation of A Both A and R is true but R is not a correct explanation of A A is true but R is false A is false but R is true Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Bromine Flourine Chlorine Iodine Bromine Flourine Chlorine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrous oxide Nitrogen pentoxide Nitric oxide Nitrogen trioxide Nitrous oxide Nitrogen pentoxide Nitric oxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction the sum of the number of protons and neutrons present in the nucleus always less than its atomic number always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus always less than its atomic number always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x x/6 5x/36 7.2 x 5x x/6 5x/36 7.2 x ANSWER DOWNLOAD EXAMIANS APP