Math and science stuff

Math and science stuff

7th Grade

14 Qs

Student preview

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Math and science stuff

Math and science stuff

Assessment

Quiz

Created by

Daniel Dorsey

Other

7th Grade

94 plays

Hard

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When electrolysis is preformed what is the ratio of hydrogen to oxygen

1:1

2:1

1:2

2:3

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What is the compurnd formula for nitroglycerin

C3H5N3O9

C3H5(NO3)

C6H2N9O3

H9N3O9C3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which molecule is the volume of the solid MORE then the liquid.

H2O

CO2

C3H5N3O9

NaCl

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is it called when a gas turns directly into a solid

Deposition

Sublimation

Freezing

Condensation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what element is used in nuclear power

uranium

plutonium

gold

platinum

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What element was used in the first nuclear bombs

plutonuim

uranuim

ice cream

promethuim

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What 4 elements make up most life on the earth

Carbon, Hydrogen, Oxygen, Nitrogen

Carbon, Sodium, Lithium, Oxygen

Hydrogen, Oxygen, Nitrogen

Carbon, Nitrogen, Oxygen

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