Question

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▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃ Following are the chemical formulae of some compounds. List the elements present and the number of atoms in each compound. i. CaCO₃ ii. KNO₃ iii. H₂SO₄ iv. NaOH

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Answer 1

Answer:

iCaCO₃ : elements present calcium(1),carbon(1),oxygen(3)

ii. KNO₃: potassium(1), nitrogen(1), oxygen(3)

iii. H₂SO₄ : hydrogen (2),sulphur(1),oxygen (4)

iv. NaOH : sodium(1), oxygen (1),hydrogen(1)

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Answer 2

${\large{\bf{\pink{†{\red{\underline{\orange{\mathfrak{Question:}}}}}}}}}$

▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃ Following are the chemical formulae of some compounds. List the elements present and the number of atoms in each compound. i. CaCO₃ ii. KNO₃ iii. H₂SO₄ iv. NaOH

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(i) Al2(SO4)3

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water(ii) CaCl2

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water(ii) CaCl2Calcium chloride: Calcium chloride is widely used as an additive in plastics, wastewater treatment plants

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water(ii) CaCl2Calcium chloride: Calcium chloride is widely used as an additive in plastics, wastewater treatment plants(iii) K2SO4

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water(ii) CaCl2Calcium chloride: Calcium chloride is widely used as an additive in plastics, wastewater treatment plants(iii) K2SO4Potassium sulphate: Potassium sulfate is the preferred fertilizer for specific kinds of crops

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water(ii) CaCl2Calcium chloride: Calcium chloride is widely used as an additive in plastics, wastewater treatment plants(iii) K2SO4Potassium sulphate: Potassium sulfate is the preferred fertilizer for specific kinds of crops(iv) KNO3

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water(ii) CaCl2Calcium chloride: Calcium chloride is widely used as an additive in plastics, wastewater treatment plants(iii) K2SO4Potassium sulphate: Potassium sulfate is the preferred fertilizer for specific kinds of crops(iv) KNO3Potassium nitrate: It is a strong oxidizer used especially in making gunpowder, as a fertilizer, and in medicine.

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water(ii) CaCl2Calcium chloride: Calcium chloride is widely used as an additive in plastics, wastewater treatment plants(iii) K2SO4Potassium sulphate: Potassium sulfate is the preferred fertilizer for specific kinds of crops(iv) KNO3Potassium nitrate: It is a strong oxidizer used especially in making gunpowder, as a fertilizer, and in medicine.(v) CaCO3

(i) Al2(SO4)3Aluminium sulphate: Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water(ii) CaCl2Calcium chloride: Calcium chloride is widely used as an additive in plastics, wastewater treatment plants(iii) K2SO4Potassium sulphate: Potassium sulfate is the preferred fertilizer for specific kinds of crops(iv) KNO3Potassium nitrate: It is a strong oxidizer used especially in making gunpowder, as a fertilizer, and in medicine.(v) CaCO3Calcium carbonate: It is a medication used to prevent or treat low blood calcium levels and also an antacid

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