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Question (21)

QN006882

Which of the following symbols is incorrect?

(A) He
(B) NE
(C) Li
(D) Be

Correct Answer: B

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Question (22)

QN006883

The symbol ‘Na’ comes from the Latin name —

(A) Natrium
(B) Neonium
(C) Nitrate
(D) Natrum

Correct Answer: A

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Question (23)

QN006884

Which element has the symbol ‘W’?

(A) Tungsten
(B) Tin
(C) Tungstate
(D) Wolfram gas

Correct Answer: A

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Question (24)

QN006885

The symbol of tungsten is derived from the name —

(A) Wolfram
(B) Tungstate
(C) Wolframium
(D) Tungstium

Correct Answer: A

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Question (25)

QN006886

Which pair is correctly matched?

(A) Gold – Ag
(B) Silver – Au
(C) Copper – Cu
(D) Sodium – So

Correct Answer: C

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Question (26)

QN006887

The symbol ‘Al’ stands for —

(A) Aluminium
(B) Argon
(C) Americium
(D) Antimony

Correct Answer: A

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Question (27)

QN006888

Which of the following symbols contains two capital letters?

(A) CO
(B) Ca
(C) Mg
(D) He

Correct Answer: A

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Question (28)

QN006889

Which statement about element symbols is correct?

(A) Symbols can have three letters
(B) Symbols always begin with a small letter
(C) Symbols may consist of one or two letters
(D) Symbols contain numbers

Correct Answer: C

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Question (29)

QN006890

The symbol ‘C’ represents —

(A) Calcium
(B) Carbon
(C) Chlorine
(D) Copper

Correct Answer: B

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Question (30)

QN006891

Which element has the symbol ‘Ca’?

(A) Carbon
(B) Cadmium
(C) Calcium
(D) Californium

Correct Answer: C

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