Boron cannot form which one of the following anion | Chemistry Questions & Answers

Q:

An element with an atomic number of ___ will form a basic oxide.

A) 20	B) 7
C) 6	D) 17

Answer & Explanation Answer: A) 20

Explanation:

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Q:

Which one of the following oxides of Nitrogen is also known as Laughing Gas?

A) NO2	B) N2O5
C) NO	D) N2O

Answer & Explanation Answer: D) N2O

Explanation:

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Q:

Which among the following cannot be included among greenhouse gases?

A) Nitrous Oxide	B) Carbon Dioxide
C) Methane	D) Phosphine

Answer & Explanation Answer: D) Phosphine

Explanation:

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Q:

Which of the following is a property of an acid?

A) Acids reacts with metals	B) Acids taste sour
C) Acids turn blue litmus paper red	D) All the above

Answer & Explanation Answer: D) All the above

Explanation:

The general properties of acids are as follows :-

1.They are sour to taste.

2.They turn blue litmus paper red but the red litmus paper have no effect of acids and it remains unaffected.

3.They release hydrogen ions H+ in the solution medium, making the conditions acidic.

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Q:

Which of the following metals is a liquid at room temperature?

A) Lithium	B) Mercury
C) Sodium	D) Calcium

Answer & Explanation Answer: C) Sodium

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Q:

Water which is suitable for drinking is called _______________ water.

A) hygienic	B) sparkling
C) potable	D) sanitary

Answer & Explanation Answer: C) potable

Explanation:

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Q:

Charge on proton is equal to the charge on ______.

A) Electron	B) Positron
C) Neutron	D) Alpha particle

Answer & Explanation Answer: B) Positron

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Q:

Which of the following element is NOT a metal?

A) Al	B) P
C) Ca	D) K

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

Boron cannot form which one of the following anions?

(1) $B O_{2}^{-}$

(2) $B F_{6}^{3 -}$

(3) $B H_{4}^{-}$

(4) $B (O H)_{4}^{-}$

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Boron cannot form which one of the following anions? (1) BO2- (2) BF63- (3) BH4- (4) B(OH)4-

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Boron cannot form which one of the following anions?

(1) $B O_{2}^{-}$

(2) $B F_{6}^{3 -}$

(3) $B H_{4}^{-}$

(4) $B (O H)_{4}^{-}$