315959 Consider the following statements regarding calcium carbonate.
I. It is a white fluffy powder and almost soluble in water.
II. It decomposed to evolve carbon dioxide when heated to \(1200 \mathrm{~K}\).
III. It reacts with conc. acid to liberate carbon monoxide.
IV. It is used in the manufacture of high quality paper, as an antacid, filler in cosmetics.
Choose the correct statements and select the correct option.

315960 Which of the following statements is true about \(\mathrm{Ca}(\mathrm{OH})_{2}\) ?

315970 Calcium is obtained by

315971 A and \(\mathrm{B}\) are two salts. A with dil. \(\mathrm{HCl}\) and \(\mathrm{A}\) & \(\mathrm{B}\) with conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\) react to give reddish brown vapours, hence \({\rm{A}}\,\,{\rm{\& }}\,\,{\rm{B}}\) respectively are :

315959 Consider the following statements regarding calcium carbonate.
I. It is a white fluffy powder and almost soluble in water.
II. It decomposed to evolve carbon dioxide when heated to \(1200 \mathrm{~K}\).
III. It reacts with conc. acid to liberate carbon monoxide.
IV. It is used in the manufacture of high quality paper, as an antacid, filler in cosmetics.
Choose the correct statements and select the correct option.

315960 Which of the following statements is true about \(\mathrm{Ca}(\mathrm{OH})_{2}\) ?

315970 Calcium is obtained by

315971 A and \(\mathrm{B}\) are two salts. A with dil. \(\mathrm{HCl}\) and \(\mathrm{A}\) & \(\mathrm{B}\) with conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\) react to give reddish brown vapours, hence \({\rm{A}}\,\,{\rm{\& }}\,\,{\rm{B}}\) respectively are :

315959 Consider the following statements regarding calcium carbonate.
I. It is a white fluffy powder and almost soluble in water.
II. It decomposed to evolve carbon dioxide when heated to \(1200 \mathrm{~K}\).
III. It reacts with conc. acid to liberate carbon monoxide.
IV. It is used in the manufacture of high quality paper, as an antacid, filler in cosmetics.
Choose the correct statements and select the correct option.

315960 Which of the following statements is true about \(\mathrm{Ca}(\mathrm{OH})_{2}\) ?

315970 Calcium is obtained by

315971 A and \(\mathrm{B}\) are two salts. A with dil. \(\mathrm{HCl}\) and \(\mathrm{A}\) & \(\mathrm{B}\) with conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\) react to give reddish brown vapours, hence \({\rm{A}}\,\,{\rm{\& }}\,\,{\rm{B}}\) respectively are :

315959 Consider the following statements regarding calcium carbonate.
I. It is a white fluffy powder and almost soluble in water.
II. It decomposed to evolve carbon dioxide when heated to \(1200 \mathrm{~K}\).
III. It reacts with conc. acid to liberate carbon monoxide.
IV. It is used in the manufacture of high quality paper, as an antacid, filler in cosmetics.
Choose the correct statements and select the correct option.

315960 Which of the following statements is true about \(\mathrm{Ca}(\mathrm{OH})_{2}\) ?

315970 Calcium is obtained by

315971 A and \(\mathrm{B}\) are two salts. A with dil. \(\mathrm{HCl}\) and \(\mathrm{A}\) & \(\mathrm{B}\) with conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\) react to give reddish brown vapours, hence \({\rm{A}}\,\,{\rm{\& }}\,\,{\rm{B}}\) respectively are :