Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 80

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Besides ${CO}_{2}$ other greenhouse gas is

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Important Questions on Environmental Chemistry

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Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 81

Which of the following is not a part of green chemistry?

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Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 82

Ozone depletion in stratosphere shall result in:

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Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 84

Which of the following processes does not increase the amount of

{CO}_{2}

in atmosphere?

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Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 85

Consider the following statements and select the correct option:
$S_{1} :$ Dust is a non-viable particle.

$S_{2} :$ Particulates acquire negative charge and are attracted by the positive electrode.

$S_{3} : O_{2}$ is a green house gas.

$S_{4} :$ Algae is a viable particulate.

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Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 86

Which of the following statements is true about ozone layer?

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Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 89

Water pollution is less if

BOD

is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 90

Most abundant water pollutant is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 91

Drained sewage has biological oxygen demand (

BOD

):