SSC JE Mechanical Engineering 25th May 2014 Shift-2

Instructions

For the following questions answer them individually

Question 81

USB stands for

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Question 82

In computer network terminology, WAN stands for

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Question 83

Which element produces hydrogen on reaction with strong alkali ?

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Question 84

Which metal does not react with dilute $$H_2SO_4$$?

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Question 85

The unit of rate of reaction is

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Question 86

Salt that dissolves in aqueous ammonia solution is

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Question 87

Residence time of water molecule in the ocean is

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Question 88

Biotic environment includes

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Question 89

A natural phenomenon that becomes harmful due to pollution is

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Question 90

Decomposers include

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