Chemistry An oxidising agent is a An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium sulphate Calcium phosphate Phosphoric sulphate Calcium hypophosphate Calcium sulphate Calcium phosphate Phosphoric sulphate Calcium hypophosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 18 12 Zero 6 18 12 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Coal Diesel Kerosene Hydrogen Coal Diesel Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 10 and 20 km 5 and 10 km 50 and 100 km 20 and 50 km 10 and 20 km 5 and 10 km 50 and 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A strong electrolyte A non-electrolyte A weak electrolyte Initially weak and then become a strong electrolyte A strong electrolyte A non-electrolyte A weak electrolyte Initially weak and then become a strong electrolyte ANSWER DOWNLOAD EXAMIANS APP