IGCSE A Level Chemistry Practice Test 269

Group VII Elements and Reactions Quiz Questions and Answers PDF - 269

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Group VII Elements and Reactions Questions and Answers PDF Download: Quiz 269

MCQ 1341: Chlorine water added to sodium bromide will change its color to

A) blue

B) yellowish brown

C) purple

D) white

MCQ 1342: To form sigma bonds in C₂H₄ (Ethane), each carbon (C) atom uses

A) 1 electron (e^-)

B) 2 electrons (e^-)

C) 3 electrons (e^-)

D) 4 electrons (e^-)

MCQ 1343: Partial pressure is equal to total pressure multiply by

A) mole fraction

B) volume

C) density

D) molar weight

MCQ 1344: Word 'adsorb' is

A) bonding to the surface

B) absorb

C) move in to substance

D) same

MCQ 1345: In World War II, parachutes were made by

A) polymers

B) nylon

C) caprolactum

D) none of above

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