49.
Sulphur is not present in
A. iron pyrites
B. gypsum
C. coal
D. chlorapatite
Answer & Explanation
Answer: Option D
Explanation:
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50.
Oxygen was independently discovered by
A. Rutherford
B. William Ramsay
C. Joseph Priestley
D. Neils Bohr
Answer & Explanation
Answer: Option C
Explanation:
Oxygen was independently discovered by Carl Wilhelm Scheele, in Uppsala, in 1773 or earlier, and Joseph Priestley in Wiltshire, in 1774, but Priestley is often given priority because his work was published first.
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51.
Rise of the Chinese civilization along the banks of Hawang 40 took place in
A. 2500 – 2000 BC
B. 2700 – 2600 BC
C. 2205 – 1122 BC
D. 2000 – 1200 BC
Answer & Explanation
Answer: Option C
Explanation:
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52.
Presently known as the European Union, the EEC was established in
A. 1957 B. 1958
C. 1959 D. 1960
Answer & Explanation
Answer: Option B
Explanation:
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53.
Steel is more elastic than Rubber because
A. its density is high
B. it is a metal
C. ratio of stress to strain is more
D. ratio of stress to strain is less
Answer & Explanation
Answer: Option C
Explanation:
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54.
The 2003 Right Livelihood Honorary Award honors ____, when the jury recognizes “for his steadfast work over many years for a world free of nuclear weapons”.
A. New Zealand’s former Prime Minister David Lange
B. Martin Almada (Australia)
C. Martin Green (Australia)
D. None of the above
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question.