Match the compounds with their correct formulas. Compounds Formulas 1. Hydrochloric acid A. NaCl 2. Potassium hydroxide B. NaOH 3. Sulphuric acid C. KCl 4. Zinc hydroxide D. Ca ( OH ) 2 5. Sodium chloride E. CaS 6. Nitric acid F. CuSO 4 7. Calcium hydroxide G. CaCO 3 8. Carbonic acid H. NH 4 Cl 9. Sodium hydroxide I. HCl 10. Copper sulphate J. ZnO 11. Potassium chloride K. HNO 3 12. Calcium carbonate L. H 2 CO 3 13. Magnesium sulphide M. MgS 14. Zinc sulphate N. MgO 15. Aluminium hydroxide O. KOH 16. Sodium carbonate P. ZnSO 4 17.Calcium sulphide Q. Na 2 CO 3 18.Magnesium oxide R. H 2 SO 4 19.Zinc oxide S. Al ( OH ) 3 20.Ammonium chloride T. Zn ( OH ) 2

Chemical formula is a representation of the compound using symbols. It denotes the number of atoms of each element present in the compound. Compounds Formulas 1. Hydrochloric acid HCl 2. Potassium hydroxide KOH 3. Sulphuric acid H 2 SO 4 4. Zinc hydroxide Zn ( OH ) 2 5. Sodium chloride NaCl 6. Nitric acid HNO 3 7. Calcium hydroxide Ca ( OH ) 2 8. Carbonic acid H 2 CO 3 9. Sodium hydroxide NaOH 10. Copper sulphate CuSO 4 11. Potassium chloride KCl 12. Calcium carbonate CaCO 3 13. Magnesium sulphide MgS 14. Zinc sulphate ZnSO 4 15. Aluminium hydroxide Al ( OH ) 3 16.Sodium carbonate Na 2 CO 3 17.Calcium sulphide CaS 18.Magnesium oxide MgO 19.Zinc oxide ZnO 20.Ammonium chloride NH 4 Cl

E M B I B E

NEW SIMPLIFIED MIDDLE SCHOOL CHEMISTRY>Chapter 2 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS

Dr VIRAF. J. DALAL Solutions for Chapter: Elements, Compounds & Mixtures, Exercise 2: OBJECTIVE TYPE QUESTIONS

Author:Dr VIRAF. J. DALAL

Dr VIRAF. J. DALAL Chemistry Solutions for Exercise - Dr VIRAF. J. DALAL Solutions for Chapter: Elements, Compounds & Mixtures, Exercise 2: OBJECTIVE TYPE QUESTIONS

Attempt the practice questions on Chapter 2: Elements, Compounds & Mixtures, Exercise 2: OBJECTIVE TYPE QUESTIONS with hints and solutions to strengthen your understanding. NEW SIMPLIFIED MIDDLE SCHOOL CHEMISTRY solutions are prepared by Experienced Embibe Experts.

Questions from Dr VIRAF. J. DALAL Solutions for Chapter: Elements, Compounds & Mixtures, Exercise 2: OBJECTIVE TYPE QUESTIONS with Hints & Solutions

EASY

6th ICSE

IMPORTANT

NEW SIMPLIFIED MIDDLE SCHOOL CHEMISTRY>Chapter 2 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q Q.1

From the elements nitrogen, chlorine, bromine, the element present in the atmosphere is _____.

EASY

6th ICSE

IMPORTANT

NEW SIMPLIFIED MIDDLE SCHOOL CHEMISTRY>Chapter 2 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q Q.3

Write the symbol for the element of Mercury.

MEDIUM

6th ICSE

IMPORTANT

NEW SIMPLIFIED MIDDLE SCHOOL CHEMISTRY>Chapter 2 - Elements, Compounds & Mixtures>OBJECTIVE TYPE QUESTIONS>Q Q.4

Match the compounds with their correct formulas.

Compounds	Formulas
1. Hydrochloric acid	A. $NaCl$
2. Potassium hydroxide	B. $NaOH$
3. Sulphuric acid	C. $KCl$
4. Zinc hydroxide	D. $Ca (OH)_{2}$
5. Sodium chloride	E. $CaS$
6. Nitric acid	F. ${CuSO}_{4}$
7. Calcium hydroxide	G. ${CaCO}_{3}$
8. Carbonic acid	H. ${NH}_{4} Cl$
9. Sodium hydroxide	I. $HCl$
10. Copper sulphate	J. $ZnO$
11. Potassium chloride	K. ${HNO}_{3}$
12. Calcium carbonate	L. $H_{2} {CO}_{3}$
13. Magnesium sulphide	M. $MgS$
14. Zinc sulphate	N. $MgO$
15. Aluminium hydroxide	O. $KOH$
16. Sodium carbonate	P. ${ZnSO}_{4}$
17.Calcium sulphide	Q. ${Na}_{2} {CO}_{3}$
18.Magnesium oxide	R. $H_{2} {SO}_{4}$
19.Zinc oxide	S. $Al (OH)_{3}$
20.Ammonium chloride	T. $Zn (OH)_{2}$

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