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

Q:

Which subatomic particle has a positive charge?

A) Proton	B) Neutron
C) Electron	D) Ion

Answer & Explanation Answer: A) Proton

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Q:

Metal oxides which react with acids as well as bases are called

A) Amphoteric oxides	B) Neutral oxides
C) Basic oxides	D) Acidic oxides

Answer & Explanation Answer: A) Amphoteric oxides

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Q:

Which of the following metals does NOT react with cold or hot water?

A) Aluminium	B) Potassium
C) Sodium	D) Calcium

Answer & Explanation Answer: A) Aluminium

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Q:

Metals are placed on which side of the Modern Periodic table?

A) Top row	B) Left side
C) Right side	D) Bottom row

Answer & Explanation Answer: B) Left side

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Q:

What enables an electric current to flow in a circuit?

A) The motion of electrons	B) The motion of neutrons
C) The motion of positrons	D) The motion of protons

Answer & Explanation Answer: A) The motion of electrons

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Q:

The pH value increase from 7 to 14 represents a

A) decrease in H+ ion concentration	B) decrease in OH- ion concentration
C) increase in OH- ion concentration	D) increase in H+ ion concentration

Answer & Explanation Answer: C) increase in OH- ion concentration

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Q:

Which of the following salts is acidic in nature?

A) Sodium Carbonate	B) Ammonium Phosphate
C) Magnesium Sulphate	D) Sadium Acetate

Answer & Explanation Answer: A) Sodium Carbonate

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Q:

The credit for classifying the elements on the basis of their atomic masses goes to

A) John Dalton	B) John Alexander Reina Newlands
C) Dmitri Mendeleev	D) Johann Wolfgang Dobereiner

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