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  REVIEW EXERCISE - 5.4

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Mark as True (if the statement is true) or as False (if it is false), then click below to see the correct answers.

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1. The two men who made lighter­than-air flight possible were Joseph and Tiberius Cavallo.

True
False

2. Montgolfier gas is another name for helium.

True
False

3. The first two men to fly a lighter-than­air craft were Marquis d'Arlandes and Pilatre de Rozier.

True
False

4. J.A.C. Charles and another man made the first flight in a hydrogen balloon.

True
False

5. Henry Cavendish isolated hydrogen.

True
False

[To see the correct answer click here]

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