Chemistry The chemical name of rat poison is Potassium cyanide Lead nitrate Zinc oxide Zinc phosphide Potassium cyanide Lead nitrate Zinc oxide Zinc phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 36 17 53 19 36 17 53 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Silica Textiles Paper Asbestos Silica Textiles Paper Asbestos ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Heavy metals Noble gases Halogens Light metals Heavy metals Noble gases Halogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 8 2 18 32 8 2 18 32 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction ANSWER DOWNLOAD EXAMIANS APP