Related MCQs

• Q. Carbon exists in the atmosphere in the form of
• Q. The rocky material found along with ores is known as …………….
• Q. Fill in the blank: The impurities in the ores are removed by adding …………….
• Q. Which among the following is not a base?
• Q. Fill in the blank: Removal of impurities from a metal by chemical method is called …………â€
• Q. Ethanoic acid is also known as which of these?
• Q. The soap molecule has a
• Q. In rusting of iron, reddish brown coating formed on iron is …………..
• Q. Fill in the blank: ………….. can be retarded by storing foods away from light.
• Q. The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of