Chemistry - Comprehensive Mock Test 21

Question 201 Easy

Boron is a ?

A) metal B) metalloid C) non-metal D) gas

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Question 202 Easy

Metallic oxides are ?

A) basic in nature B) acidic in nature C) slightly acidic in nature D) neutral

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Question 203 Easy

Non-metals are poor conductors of ?

A) heat B) electricity C) both A and B D) none of above

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Question 204 Easy

Tendency of a metal to loose electron is called ?

A) electronegativity B) electro positivity C) electroplating D) electrolysis

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Question 205 Easy

Most acidic among following is ?

A) HF B) HCl C) HBr D) HI

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Question 206 Easy

Halogens react with metals to form ?

A) Halides B) oxides C) halogen compounds D) hydrogenated compounds

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Question 207 Easy

Oxide of aluminum is ?

A) acidic B) basic C) neutral D) amphoteric

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Question 208 Easy

As compare to beryllium, magnesium is ?

A) less electropositive B) more electropositive C) large in size D) both B and C

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Question 209 Easy

Bromine is a non-metal in ?

A) solid state B) liquid state C) gaseous state D) plasma state

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Question 210 Medium

As size of atom increases down group, electro positivity ?

A) increases B) decreases C) remains same D) none of above

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