Chemistry Which of the following is used to remove ink and rust stains on cloth? Oxalic acid Alcohol Ether Kerosene oil Oxalic acid Alcohol Ether Kerosene oil 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 Zero 18 12 6 Zero 18 12 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Aluminium Copper Nickel Lead Aluminium Copper Nickel Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Lead Chromium Cadmium Copper Lead Chromium Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Liquid metal Solid non-metal Solid metal Liquid non-metal Liquid metal Solid non-metal Solid metal Liquid non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Alcohol Water Bromine Mercury Alcohol Water Bromine Mercury ANSWER DOWNLOAD EXAMIANS APP