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NGSS.MS-PS1-5

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Science

6th - 8th Grade

NGSS covered

NGSS.MS-PS1-5
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In chemical reactions, what does the principle of conservation of mass mean?

Matter is not created or destroyed.
The total mass of the reactants is greater than the total mass of the products.
The total mass of the reactants is less than the total mass of the products.
Matter is not changed.

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NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the law of conservation of matter?

Matter changes when reacted or changed.
The mass of all reactants are changed during a physical or chemical change.
The mass of the reactants is the same as the mass of the products.
The mass of the products is different than the mass of the reactants.

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NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Is the following equation balanced?...
Al + O2 --> 2Al2O3

Yes!
No!

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NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a reaction A + B ----> C,  reactant A has 5g and product  C has 9g. How many grams does reactant B should have? 

4g
5g
9g
14g

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

S8P1f Look at the incomplete chemical equation: Ca + Cl2 --> ?

The reactants are shown. How many chlorine (Cl) atoms must be present in the product that forms this reaction?

1

2

3

4

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NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2Al + 6HCl --> 2AlCl3 + 3H2

Aluminium reacts with hydrochloric acid. How many grams of aluminum are necessary to produce 11 L of hydrogen gas at STP?

13

8.8

0.99

1.0

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Oxygen atoms are present in the product of the following equation: 2SO2 + 2H2O2 ----> 2H2SO4

2

3

4

8

Tags

NGSS.MS-PS1-5

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