Which of the following is a form of calcium carbonate?
Which of the following is a form of calcium carbonate?
I. limestone
II. marble
III. chalk
Iv. egg-shells
I only
I, II and IV
I and II only
I, II, III, and IV
Correct answer is D
- Calcium trioxocarbonate (IV) occurs abundantly in earth's crust as limestone, chalk and marble
- Eggshell is made almost entirely of calcium carbonate (CaCO3) crystals.
Which of these salts will produce its metal, oxygen and nitrogen (IV) oxide on heating? ...
The most important ore of aluminium is ...
The property which makes alcohol soluble in water is the ...
2-methylbut-2-ene has the structure ...
The oxidation number of X in \(XO_{4}^{3-}\) is...
The size (diameter) of five elements are in the order R < T < W < X < Y, Y being the lar...
The main function of limestone in the blast furnace is to ...
Which statement BEST describes the process of oxidation? ...
Glucose gives a brick-red precipitate with Fehling's solution because it is ...