11th Class Chemistry Chapter 16 MCQ Test with Answer

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MCQ's Test For Chapter 16 "Lab Safety and Practical Skills"

Try The MCQ's Test For Chapter 16 "Lab Safety and Practical Skills"

  • Total Questions17

  • Time Allowed20

Lab Safety and Practical Skills

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Question # 1

The chromyl chlorikle test is a specific confirmatory tst for

Question # 2

Why is it important to usea piptte in titration 

Question # 3

A white precipitate that dissolves in excess ammonia is likely to be 

Question # 4

Which of the followign pairs would require methly orinage as a a indicator

Question # 5

Which cation forms a white precipitate with NaOH that dissolves in excess NaOH

Question # 6

Which of the followign is a primary standard solution.

Question # 7

Eating an drinking in the lab is

Question # 8

Which is the proper way to smell a chemical

Question # 9

addition of NH4OH to an aqueous solution of cation gives a green precipitate which turns brown upon standing, Which basic radical is indicated.

Question # 10

Before starting a titration , the burette should be 

Question # 11

Lab coats are important becausse they.

Question # 12

Which apparatus is used ot deliver a variiable volume of soluton in titration .

Question # 13

Which of the followig is not a component of titration 

Question # 14

Which cation gives a white gelatinous precipitate upon the addition of aueoeous ammonia.

Question # 15

The brown ring tests a confirmatory test for which acid radical

Question # 16

A salt solutingives a brick red flame test. The catio present ins likely

Question # 17

Which of the following is the most suitable indicator for the titration of a strong acid and a storng base.

Prepare Complete Set Wise Chapter 16 "Lab Safety and Practical Skills" MCQs Online With Answers


Topic Test

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FSc Part 1 Chemistry (New Book) Chapter 16 Important MCQ's

Sr.# Question Answer
1 The chromyl chlorikle test is a specific confirmatory tst for
A. Chloride ions
B. Bromide ion
C. Iodide ions
D. sulfate ions
2 Which of the followign is a primary standard solution.
A. NaOH
B. Na2CO3
C. KOH
D. HCl
3 While takig able a reading with a burette, why it is always advisibel to read the lower meniscus for the colorless liquids and the upper meniscus for the coloured liquids.
A. Because it is more convenient
B. Becuse colorless liquids have more surface tension than colored liquids
C. Because of the parallax effect
D. Beacuse lower menisucs does not exist for colored liquids
4 Which cation gives a white gelatinous precipitate upon the addition of aueoeous ammonia.
A. Cr3+
B. Cr2+
C. Zn2+
D. Al3+
5 Which cation forms a white precipitate with NaOH that dissolves in excess NaOH
A. Mg2+
B. Zn2+
C. Ca2+
D. Ba2+
6 A salt solutingives a brick red flame test. The catio present ins likely
A. Na+
B. K+
C. Ca2+
D. Sr2+
7 Before starting a titration , the burette should be 
A. Headed
B. Drived completely
C. Washed with distiled water only
D. Rinsed with the solutin it will contain 
8 The addition of HCl to a carbonate salt leads to.
A. Effervescene=ce
B. Blue colour formation 
C. White precipitate
D. No visible reaction 
9 A gas with a pungent smell turns moist red litmus paperblue. The gas is likely
A. NH3
B. HCl
C. CO2
D. SO2
10 Which of the followig is not a component of titration 
A. Pipette 
B. Burette
C. Test Tube
D. Conicla flask

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