Chemistry Which one of the following is a micro-element ? Hydrogen Nitrogen Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl orange Methyl red Methylene blue Phenolphthaline Methyl orange Methyl red Methylene blue Phenolphthaline ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 7 3 6 4 7 3 6 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen More stable Lighter than hydrogen Non-combustible More abundant than hydrogen More stable Lighter than hydrogen Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of hydrogen atoms in a Glucose molecule 8 12 6 14 8 12 6 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Tin Aluminium Copper Iron Tin Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP