Home

The metallic constituents of hard water are

A. Calcium, magnesium and iron

B. Magnesium, Calcium and tin

C. Magnesium, tin and iron

D. Iron, tin and calcium

Share this question with your friends

Correct Answer : A.


Download Objective type questions of General Science PDF

Get all objective type questions of General Science MCQ

Related Questions

  1. The oxide of Nitrogen used in medicine as anaesthetic is
  2. The metal used in storage batteries
  3. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  4. According to Daltons atomic theory the smallest particle which can exist independently is
  5. The metal that is present in Photo Films is
  6. Bromine is
  7. The smallest functional and structural unit of kidney is called as
  8. The hardest substance available on earth is
  9. The removal of top soil by water or wind is called
  10. The location and energy of an electron in an atom can be specified by
  11. The solar eclipse occurs when
  12. Apparatus invented by Archimedes is :
  13. The formula of Plaster of Paris is
  14. Which of the following is commonly called a polyamide ?
  15. Pollination by birds is called
  16. Liquefied Petroleum gas (LPG) consists of mainly
  17. The intencity of Earthquakes is measured on
  18. The type of glass used in making prisms and lenses is
  19. The major ingredient of leather is
  20. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  21. Rust is
  22. The chemial name of Uria is
  23. Which of the following elements is non-radioactive?
  24. The metallic constituents of hard water are
  25. Water has maximum density at
  26. The speed of light with the rise in the temperature of the medium
  27. The most important ore of Aluminium is
  28. The Panda belongs to the same family as that of
  29. Lightening cause rainfall because
  30. Brass gets discoloured in air due to the presence of which gas in air

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Also checkout these categories

Indirect TAX MCQ Solids, Liquides, Gases MCQ Genetics MCQ Indian Polity & Economy MCQ Boats and Streams MCQ Thermodynamics MCQ Nuclear Physics MCQ Electro-Chemistry MCQ Chemical Kinetics MCQ Chemical Engineering Basics MCQ Pteridophyta MCQ Male reproduction and infertility MCQ