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11.
Monazite is an ore of
- A.Zirconium
- C.Titanium
- B.thorium
- D.Iron
- Answer
- Report
Answer : [B]
12.
Which one is not a periodic property?
- A.Atomic Number
- C.Ionic radii
- B.Atomic radii
- D.Electron affinity
- Answer
- Report
Answer : [A]
13.
Which of the following metals does not form an amalgam?
- A.Zinc
- C.Copper
- B.Iron
- D.Magnesium
- Answer
- Report
Answer : [B]
14.
Consider the following statements about acetylene : it is
- used in welding industry
- used as a raw material in preparing plastics
- easily obtained by mixing silicon carbide and water
- A.1 & 3 are correct
- C.all statements are correct
- B.2 & 3 are correct
- D.1 & 2 are correct
- Answer
- Report
Answer : [D]
15.
Which of the following elements is essential for the construction of nuclear reactors?
- A.Cobalt
- C.Zirconium
- B.Nickel
- D.Tungsten
- Answer
- Report
Answer : [C]
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