Question

The names of some compounds are provided below. Identify the metals and non-metals present in them.

Sr. No.	Name of Compound	Name of metal and non-metal	Sr. No.	Name of Compound	Name of metal and non-metal
1	NaCl		9	ZnCl₂
2	KOH		10	MnO₂
3	Pb(NO₃)₂		11	CoCl₂
4	Ca(OH)₂		12	PbO
5	MgCl₂		13	HgCl₂
6	Fe₂O₃		14	As₂O₃
7	CuO		15	H₃PO₄
8	CdCl₂		16	H₂SO₄

Accepted Answer

Sr. No. Name of Compound Name of metal and non-metal Sr. No. Name of Compound Name of metal and non-metal

1 NaCl Sodium- metal, Chlorine- non-metal 9 ZnCl₂ Zinc- metal, Chlorine- non-metal

2 KOH Potassium, Oxygen and Hydrogen- non-metals 10 MnO₂ Manganese- metal, Oxygen- non-metal

3 Pb(NO₃)₂ Lead- metal, Nitrogen and Oxygen- non-metals 11 CoCl₂ Cobalt- metal, Chlorine- non-metal

4 Ca(OH)₂ Calcium- metal, Oxygen and Hydrogen- non-metals 12 PbO Lead- metal, Oxygen- non-metal

5 MgCl₂ Magnesium- metal, Chlorine- non-metal 13 HgCl₂ Mercury- metal, Chlorine- non-metal

6 Fe₂O₃ Iron- metal, Oxygen- non-metal 14 As₂O₃ Arsenic- metal, Oxygen- non-metal

7 CuO Copper- metal, Oxygen- non-metal 15 H₃PO₄ Hydrogen, Phosphorous and Oxygen- non-metals

8 CdCl₂ Cadmium- metal, Chlorine- non-metal 16 H₂SO₄ Hydrogen, Sulphur and Oxygen- non-metals

West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 5: Exercise 5

West Bengal Board Science Solutions for Exercise - West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 5: Exercise 5

Questions from West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 5: Exercise 5 with Hints & Solutions

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