Chemistry Helium gas is filled in ballons because It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas It is one of the constitutents of water Its atomic number is 2 It is lighter than air It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Phosphate Zinc Detergent Arsenic Phosphate Zinc Detergent Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Copper Nichrome Silver Iron Copper Nichrome Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Carbon Calcium Nitrogen Oxygen Carbon Calcium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium phosphate Calcium sulphate Calcium hypophosphate Phosphoric sulphate Calcium phosphate Calcium sulphate Calcium hypophosphate Phosphoric sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? N 2 H2 O2 He N 2 H2 O2 He ANSWER DOWNLOAD EXAMIANS APP