How much did the United States pay for the Louisiana Purchase?
A. $5 million
B. $10 million
C. $15 million
D. $20 million
Correct Answer: C. $15 million
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Lind’s method is employed for
A. Separation of gases
B. Expansion of gases
C. Compression of gases
D. Liquefaction of gases
Correct Answer: D. Liquefaction of gases
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Which of the following countries is not a landlocked state?
A. Afghanistan
B. Switzerland
C. Egypt
D. Bangladesh
Correct Answer: C) Egypt
Which of the following countries is a landlocked state in Africa?
A. South Africa
B. Burkina Faso
C. Ghana
D. Sierra Leone
Correct Answer: B
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When did the Spanish flu originate?
A. 1718
B. 1818
C. 1918
D. 2019
Correct Answer: C. 1918
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A particle is projected from the surface of the earth with a speed of 20ms-1 at an angle 30° with the horizontal the time of flight of that particle is 2s. What will be the maximum height the particle can reach if we consider the acceleration due to gravity 10m/s2·
A. 5m
B. 8m
C. 20m
D. None of these
Correct Answer: A. 5m
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What was the primary mode of transmission for the Spanish flu?
A. Respiratory droplets
B. Direct contact
C. Insect bites
D. Waterborne
Correct Answer: A) Respiratory droplets
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