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4. Analytical Chemistry - 1.

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

When NaOH solution is added to Zinc Nitrate solution

a)

Chalky White ppt formed

b)

Gelatinous White ppt formed

c)

Dirty Green ppt formed

d)

Reddish-brown ppt formed

2.

Identify the Hydroxide soluble in NaOH solution

a)

Calcium Hydroxide

b)

Copper Hydroxide

c)

Ferric Hydroxide

d)

Zinc Hydroxide

3.

Identify the compound formed when Copper Hydroxide reacts with Ammonium Hydroxide

a)

Tetraamminecopper( II ) Hydroxide

b)

Copper Nitrate

c)

Copper Hydrogen Carbonate

d)

Copper Nitride

4.

Identify the compound soluble in water

a)

Zinc Hydroxide

b)

Sodium Zincate

c)

Lead Hydroxide

d)

Lead Sulphate

5.

The ppt formed when Calcium Nitrate reacts with Sodium Hydroxide Solution

a)

Calcium Hydroxide

b)

Calcium Sulphate

c)

Calcium Chloride

d)

Calcium Oxide

6.

The metal ion which can produce a coloured ion

a)

Ferric

b)

Lead

c)

Zinc

d)

Calcium

7.

The Hydroxides which are soluble in NaOH solution

a)

Ferrous & Copper

b)

Ferric & Zinc

c)

Zinc & Lead

d)

Copper & Lead

8.

The salt solution which cannot produce any ppt when treated with Ammonium Hydroxide Solution

a)

Copper Nitrate

b)

Lead Nitrate

c)

Zinc Nitrate

d)

Calcium Nitrate

9.

The salts formed when Zinc Nitrate reacts with Sodium Hydroxide

a)

Zinc Oxide & Sodium Zincate

b)

Zinc Hydroxide & Sodium Zincate

c)

Zinc Carbonate & Zinc Hydroxide

d)

Zinc Oxide & Zinc Hydroxide

10.

The compound formed when Zinc Hydroxide reacts with excess Ammonium Hydroxide

a)

Ammonium Carbonate

b)

Zinc Oxide

c)

TetraamineZinc(II) Hydroxide

d)

Sodium Zincate

11.

ppt formed when Sodium hydroxide is added to Lead nitrate solution

a)

Reddish Brown ppt

b)

Dirty Green ppt

c)

Chalky white ppt

d)

Gelatinous white ppt

12.

ppt formed when Ammonium hydroxide is added to Zinc nitrate solution

a)

Reddish Brown ppt

b)

Dirty Green ppt

c)

Chalky white ppt

d)

Gelatinous white ppt

13.

ppt formed when Sodium hydroxide is added to Ferrous sulphate solution

a)

Reddish Brown ppt

b)

Dirty Green ppt

c)

Chalky white ppt

d)

Gelatinous white ppt

14.

ppt formed when Ammonium hydroxide is added to Calcium Nitrate solution

a)

No ppt

b)

Dirty Green ppt

c)

Chalky white ppt

d)

Gelatinous white ppt

15.

ppt formed when Sodium hydroxide is added to Copper Chloride solution

a)

Reddish brown ppt

b)

Pale Blue ppt

c)

Chalky white ppt

d)

Gelatinous white ppt

16.

ppt formed when Ammonium hydroxide is added to Ferric Chloride solution

a)

Chalky white pp

b)

Pale Blue ppt

c)

Dirty green ppt

d)

Reddish brown ppt

17.

ppt formed when Sodium hydroxide is added to Lead nitrate solution

a)

Chalky white pp

b)

Pale Blue ppt

c)

Dirty green ppt

d)

Gelatinous white ppt

18.

Pick out the amphoteric oxide

a)

CaO

b)

ZnO

c)

MgO

d)

CuO

19.

Name the gas formed when Aluminium react with NaOH

a)

Oxygen

b)

Water

c)

Hydrogen

d)

Ammonia

20.

Name the salt formed when lead oxide react with KOH

a)

Sodium zincate

b)

Potassium Aluminate

c)

Potassium oxide

d)

Potassium plumbite