166
Q:

Among the following the maximum covalent character is shown by the compound

(1)MgCl2

(2)FeCl2

(3)SnCl2

(4) AlCl3

A) Option 1 B) Option 2
C) Option 3 D) Option 4

Answer:   D) Option 4



Explanation:

According to Fajans rule, cation with greater charge and smaller size favours covalency.

Subject: Chemistry
Exam Prep: AIEEE
Q:

Which base is present in lime water?

A) Sodium hydroxide B) Magnesium hydroxide
C) Calcium hydroxide D) Ammonium hydroxide
 
Answer & Explanation Answer: C) Calcium hydroxide

Explanation:
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1 1237
Q:

Synthetic detergents are prepared from

A) potassium salts of higher fatty­acids B) sodium salts of higher fatty­acids
C) hydrocarbons of petroleum D) glycerides
 
Answer & Explanation Answer: C) hydrocarbons of petroleum

Explanation:
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1 1567
Q:

Metals react with sodium hydroxide to produce ___________.

A) oxygen gas B) sodium
C) water D) hydrogen gas
 
Answer & Explanation Answer: D) hydrogen gas

Explanation:
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0 1108
Q:

When iron rusts, its weight .....

A) decreases B) increases
C) remains the same D) first increases and then decreases
 
Answer & Explanation Answer: B) increases

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0 1100
Q:

Bauxite is used as raw material by which industry

A) Aluminium B) Iron
C) Steel D) Gold
 
Answer & Explanation Answer: A) Aluminium

Explanation:
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1 1290
Q:

Iron and manganese present as pollutants in water cannot be removed by_____

A) oxidation followed by settling and filtration B) chlorination
C) ion exchange process D) lime soda process or manganese zeolite process
 
Answer & Explanation Answer: B) chlorination

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0 1038
Q:

Which one of the following is a good electrical conductor?

A) Graphite B) Diamond
C) Peat D) Charcoal
 
Answer & Explanation Answer: A) Graphite

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2 1037
Q:

The reaction of Copper Sulphate and Iron produces Iron Sulphate and __________.

A) Vinegar B) Ash
C) Baking Soda D) Copper
 
Answer & Explanation Answer: D) Copper

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1 915