SSC JE Mechanical Engineering 2015

Instructions

For the following questions answer them individually

Question 71

.com represents

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Question 72

IKE stands for

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Question 73

When salt is added to water, the boiling point of water is

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Question 74

The gas dissolved in water that makes it acidic

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Question 75

The hydrogen ion concentration of a solutin is measured using a

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Question 76

Non-bonding valence electrons are

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Question 77

When is the World Earth Day celebrated?

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Question 78

World “No Tabacco Day” was observed globally on

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Question 79

The greenhouse gases, otherwise called radioactively active gases include

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Question 80

The most serious environmental effect posed by hazardous wastes is

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