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Wastes many be sealed in concrete-filled...

Wastes many be sealed in concrete-filled drums and discharged to a depth of about 500m . This specific statement is true for

A

Pesticide pollutants

B

U.V. radiation pollutants

C

Heavy metal pollutants

D

All radioactive pollutants

Text Solution

Verified by Experts

The correct Answer is:
D
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How many of the following statements is (are) true about resonance. a) Resonance is an intramolecular process. b) Resonance involves delocalization both of s and p electrons. c) Resonance involves delocalization of pi electrons only. d) Resonance decreases potential energy of a molecule. e) Resonance has no effect on the potential energy of a molecule. f) Resonance is the only way to increase molecular stability. g) Resonance is not the only way to increase molecular stability. h) Any resonating molecule is always more stable than any nonresonating molecule. i) The canonical struture explains all features of a molecule. j) The resonance hybrid explains all features of a molecule. k) Resonating structures are real and resonance hybrid is imaginary. l) Resonance hybrid is real and resonating structures are imaginary. m) Resonance hybrid is always more stable than all canonical structures.

How many of the following statements is (are) true about resonance. a) Resonance is an intramolecular process. b) Resonance involves delocalization both of s and p electrons. c) Resonance involves delocalization of pi electrons only. d) Resonance decreases potential energy of a molecule. e) Resonance has no effect on the potential energy of a molecule. f) Resonance is the only way to increase molecular stability. g) Resonance is not the only way to increase molecular stability. h) Any resonating molecule is always more stable than any nonresonating molecule. i) The canonical struture explains all features of a molecule. j) The resonance hybrid explains all features of a molecule. k) Resonating structures are real and resonance hybrid is imaginary. l) Resonance hybrid is real and resonating structures are imaginary. m) Resonance hybrid is always more stable than all canonical structures.

Knowledge Check

  • A motor is used to lift water from a well of depth 10m and to fill a water tank of volume 30m^(3) in 10 minutes. The tank is at a height of 20m above ground. If 20% of energy is wasted, the power of the motor is (in kW)

    A
    18.75
    B
    20
    C
    22.5
    D
    37.5

  • A motor is used to lift water from a well of depth 10m and to fill a water tank of volume 30m^(3) in 10 minutes. The tank is at a height of 20m above ground. If 20% of energy is wasted, the power of the motor is

    A
    18.75 kW
    B
    20 kW
    C
    22.5 kW
    D
    37.5 kW

  • A motor is used to lift water from a well of depth 10 m and to fill a water tank of volume 30 m^(3) in 10 minutes. The tank is at a height of 20 m above ground. If 20% of energy is wasted, the power of the motor is (in kW).

    A
    `18.75`
    B
    20
    C
    `22.5`
    D
    `37.5`

    • Similar Questions

    Explore conceptually related problems

    A motor is used to lift water from a well of depth 10m and to fill a water tank of volume 30m^(3) in 10 minutes. The tank is at a height of 20 m above ground. If 20% of energy is wasted, the power of the motor is (in KW)

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