Chemistry What is the covalency of nitrogen in ammonia molecule 4 5 2 3 4 5 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Lead Zinc Chromium Antimony Lead Zinc Chromium Antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Proton Positron Alpha particles Beta particles Proton Positron Alpha particles Beta particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Carbon monoxide Nitrogen Carbon dioxide Oxygen Carbon monoxide Nitrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Detergent Zinc Phosphate Arsenic Detergent Zinc Phosphate Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS