MHT-CET
Q. Which state of matter has a definite shape and volume? (2017)
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A.
Solid
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B.
Liquid
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C.
Gas
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D.
Plasma
Solution
Solids have a definite shape and volume due to their closely packed particles.
Correct Answer: A — Solid
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Q. Which state of matter has the highest kinetic energy?
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A.
Solid
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B.
Liquid
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C.
Gas
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D.
Plasma
Solution
Plasma has the highest kinetic energy as it consists of ionized particles moving freely.
Correct Answer: D — Plasma
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Q. Which transition metal has the electron configuration [Ar] 3d6 4s2?
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A.
Titanium
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B.
Iron
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C.
Nickel
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D.
Cobalt
Solution
Iron (Fe) has the electron configuration [Ar] 3d6 4s2.
Correct Answer: B — Iron
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Q. Which transition metal has the highest melting point?
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A.
Iron
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B.
Tungsten
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C.
Nickel
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D.
Copper
Solution
Tungsten (W) has the highest melting point among transition metals.
Correct Answer: B — Tungsten
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Q. Which transition metal is known for forming complex ions with a coordination number of 6?
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A.
Copper
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B.
Nickel
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C.
Cobalt
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D.
Zinc
Solution
Cobalt commonly forms complex ions with a coordination number of 6, such as in [Co(NH3)6]3+.
Correct Answer: C — Cobalt
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Q. Which transition metal is known for its catalytic properties in the Haber process?
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A.
Iron
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B.
Nickel
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C.
Copper
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D.
Cobalt
Solution
Iron is used as a catalyst in the Haber process for ammonia synthesis.
Correct Answer: A — Iron
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Q. Which type of biomolecule is glucose?
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A.
Protein
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B.
Lipid
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C.
Carbohydrate
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D.
Nucleic Acid
Solution
Glucose is a simple sugar and is classified as a carbohydrate.
Correct Answer: C — Carbohydrate
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