Symbols, Formulae and Simple Chemical Equations NDA Questions

NDA Chemistry

Symbols, Formulae and Simple Chemical Equations MCQ Questions


13.
The symbol 'Fe' for Iron is derived from its Latin name:
A.
Ferrum
B.
Ferrite
C.
Ferocious
D.
Ferrite-oxide
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ANSWER :
A. Ferrum
14.
Which of the following correctly matches the element with its chemical symbol?
A.
Lead → Li
B.
Mercury → Mr
C.
Silver → Si
D.
Gold → Au (from Latin 'Aurum')
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ANSWER :
D. Gold → Au (from Latin 'Aurum')
15.
The chemical symbol for Tungsten is 'W'. This symbol is derived from its German name:
A.
Wolfram
B.
Westerium
C.
Wollanite
D.
Wulfenite
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ANSWER :
A. Wolfram
16.
The chemical symbol of Copper is Cu. What is its Latin name?
A.
Curium
B.
Cuprum
C.
Chalcum
D.
Copper
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ANSWER :
B. Cuprum
17.
Which of the following elements has the symbol 'Pb'?
A.
Polonium
B.
Platinum
C.
Lead
D.
Phosphorus
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ANSWER :
C. Lead
18.
Berzelius introduced the modern system of writing chemical symbols using one or two letters. The first letter is always:
A.
Two capital letters always
B.
A number followed by a letter
C.
A capital (uppercase) letter, followed by a lowercase letter if needed
D.
A lowercase letter followed by a capital
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ANSWER :
C. A capital (uppercase) letter, followed by a lowercase letter if needed