9th Chemistry Unit 15 Halogens MCQs Sindh Board

 9th Grade Chemistry Chapter 15 Halogens Sindh Board MCQs Notes Online Chapter Wise Question Answers. Sindh Boards Chemistry Subject Notes For Exams Preparations Karachi, Jamshoro, Sindh Boards. Chemistry class Ninth sindh board notes Unit 15 Halogens Most Repeated Multiple Choice Questions With Answers. Chemistry notes for class IX sindh board karachi Boards.

Chemistry MCQs Sindh Board

Q.1: Which of the following is a good organic solvent?

1. CH₂OH and CCI₃
2. DDT and CH₃OH
3. CCl₄ and CHCI₃
4. C₂H₂OH and CH₂Cl₂

C

Q.2: Which are of the following is known as satanic element?

1. Carbon
2. Chlorine
3. Nitrogen
4. Fluorine

B

Q.3: Iodine and its compounds are used in medicines as?

1. Chemical reagent
2. Active reagent
3. Catalyst
4. Components

C

Q.4: Pure chlorine is produced by heating conc. HCI with:?

1. MnO₂
2. KClO₃
3. KMnO₄
4. K₂Cr₂O₇

D

Q.5: Nelsons Cell is used for the production of:?

1. Hydrochloric Acid
2. Hydrogen Chloride
3. Bleaching powder
4. Chlorine Gas

D

Q.6: Which one of the following catches fire on reaction with chlorine?

1. Sodium metal
2. Hydrogen gas
3. Sulphur
4. Phosphorous

D

Q.7: Formula of mustard gas is?

1. CaOCl₂
2. CCl₃NO₂
3. COCl₂
4. C₂H₄Cl₂₂S

D

Q.8: Atomic Number of Iodine is?

1. 9
2. 35
3. 17
4. 53

D

Q.9: (Na₃AIF₆) is the formula of?

1. Flourapatite
2. Cryolite
3. Teflon
4. Fluorspar

B

Q.10: Ethene reacts with chlorine gas to form?

1. 1, 3-dichloro ethane
2. 1, 4-dichloro ethane
3. 1, 2-dichloro ethane
4. Monochloro Ethane

C

Q.11: AgBr is used in:?

1. Pesticides
2. Dyes
3. Photography
4. Fumigants

C

Q.12: Each kg of sea water contains salt NaCI:?

1. 40 g
2. 20 g
3. 30 g
4. 10 g

A

Q.13: Iodine deficiency leads to enlargement of;?

1. Thyroid gland
2. Pituitary gland
3. Parathyroid gland
4. Pineal gland

A

Q.14: PVC is a common:?

1. Rubber
2. Medicine
3. Gas
4. Plastic

D

Q.15: Which one are the most abundant and a very important member of Group VII A.?

1. I₂
2. Br₂
3. F₂
4. Cl₂

D

Q.16: The concentration of HCI in stomach is:?

1. 0.8%
2. 0.5%
3. 0.7%
4. 0.9%

B

Q.17: The reactivity of halogens down the group:?

1. Increases
2. Decreases
3. Remain constant
4. none of them

B

Q.18: Iodine gives violet vapours when it:?

1. Boil
2. Melts
3. Sublimes
4. Freezes

C

Q.19: Chlorine is how many times heavier than air?

1. 4.5
2. 3.5
3. 1.5
4. 2.5

D

Q.20: The most abundant and useful halogen is:?

1. Iodine
2. Fluorine
3. Bromine
4. Chlorine

D