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Worksheets

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Total questions: 11

Worksheet time: 55secs

Name
Class
Date
1.

To remove the oxidized layer on aluminum one should use ?

a)

HCl

b)

NaCl

c)

FeSO4

d)

CuSO4

2.

What will the sun become after it runs out of hydrogen?

a)

a white dwarf

b)

a yellow dwarf

c)

a brown dwarf

d)

a red dwarf

3.

What is amalgamation?

a)

the process by which a metal or an alloy is added to mercury

b)

the process by which mercury is mixed with a metal or an alloy

c)

the process by which mercury is mixed with gold

d)

the process by which mercury is mixed with silver

4.

What are Zaid crops???

a)

Summer crops

b)

Winter crops

c)

spring crops

d)

autumn crops

5.

In how many years will the sun die??

a)

6.5 billion years

b)

5.5 million years

c)

In 1 second

d)

9.5 billion

6.

To make fiber out of aluminum what should we do??

a)

add dilute hydrochloric acid and then add mercury

b)

put mercury and then add dilute hydrochloric acid

c)

add Sulfuric acid then add dilute hydrochloric acid

d)

None of the above

7.

Which of the above maybe be the new earth?

a)

Mars

b)

Kepler 352-b

c)

HD-14839582

d)

Kepler -1436857

8.

Which of the above is the French word for to understand?

a)

comprendre

b)

none of the above

c)

saisir

d)

entendre

9.

What happens when you enter a black hole?

a)

you become like spaghetti

b)

you're body will expand

c)

you're body will stretch

d)

All of the above

e)

none of the above

10.

which of the following is the formula for iron oxide ?

a)

Fe2O3

b)

Fe3O2

c)

Fe

d)

HCl

11.

Stressed

a)

Desserts

b)

Hi

c)

How are you?

d)

Stressed