Free Printable HYDROGEN

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HYDROGEN

Total questions: 5

Worksheet time: 3mins

Name

Class

Date

1.

Hydrogen -

a)

оттек

b)

сутек

c)

кальций

d)

азот

2.

N2 + 3H2=

a)

N2H3

b)

2NH3

c)

NH2

d)

3NH3

3.

What is the most important compound og hydrogen?

a)

water

b)

ammonia

c)

hydrochloric acid

d)

sulfuric acid

4.

What process is the reaction of hydrogen with oxygen?

a)

endothermic

b)

exchange

c)

exothermic

d)

decomposition

5.

How many isotopes has hydrogen?

a)

2

b)

3

c)

4

d)

5

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