Chemistry Which one is the lightest element in the periodic table Carbon Hydrogen Oxygen Helium Carbon Hydrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air It is one of the constitutents of water Its atomic number is 2 It is a noble gas It is lighter than air It is one of the constitutents of water Its atomic number is 2 It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to ease the process of cooking increase the solubility of food particles in water produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better ease the process of cooking increase the solubility of food particles in water produce in small amounts the hydrochloric acid required for the digestion of food make the taste of food better ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Zinc sulphate Lead Sulphate Potassium sulphate Sodium sulphate Zinc sulphate Lead Sulphate Potassium sulphate Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Smog Fog Mist Sleet Smog Fog Mist Sleet ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Generator Battery Uninterrupted power supply (UPS) Power transmittor Generator Battery Uninterrupted power supply (UPS) Power transmittor ANSWER DOWNLOAD EXAMIANS APP