Sci 9 Sem 2-1 SG

Sci 9 Sem 2-1 SG

9th Grade

133 Qs

quiz-placeholder

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Sci 9 Sem 2-1 SG

Sci 9 Sem 2-1 SG

Assessment

Quiz

Science

9th Grade

Hard

Created by

Karen Sorensen

Used 3+ times

FREE Resource

133 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
The red numbers in the image below represent ________
subscripts
coefficients
I don't know, and don't want to try
None of the answers are correct

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
The blue numbers in the image below represent ________
I don't know, and don't want to try
coefficients
subscripts
none of the answers are correct

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The substances at the beginning of a chemical equation are called the ____
product
yield
chemical symbol
reactants

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In the equation,          2Mg + O2 ---> 2MgO, which are the reactants?
Mg and O
MgO
Mg and MgO
O and MgO

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In a chemical reaction, everything to the rightof the arrow is called ______________.
Products
Yields
Molecules
Reactants

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Balance this equation.

_CF4 + _Br2 -- _CBr4 + _F2

2,1,2,1 anionic single displacement

1,2,2,1 synthesis

1,2,1,2 anionic single displacement

2,2,2,2 cationic single displacement

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which coefficients balance this equation:
NH3  +  O2 ---->   NO  + H2O
2,3,5,6
5,5,4,6
4,6,4,5
4,5,4,6

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