Question 1

Order the Steps of Balancing a Chemical Equation

Question 2

Balance the give chemical Equation 
 $CO_2$ + $H_2$O → $C_6$H$_{12}$O$_6$ + $O_2$

Accepted Answer

$6CO_2$ + $6H_2$O → $C_6$H$_{12}$O$_6$ + $6O_2$

Answer

$3CO_2$ + $6H_2$O → $C_6$H$_{12}$O$_6$ + $6O_2$

Answer

$6CO_2$ + $3H_2$O → $C_6$H$_{12}$O$_6$ + $6O_2$

Answer

$3CO_2$ + $6H_2$O → $C_6$H$_{12}$O$_6$ + $3O_2$

Question 3

Classify the following whether it is intensive or extensive property

Question 4

Match the following properties of matter with their correct description.

Question 5

It refers to a column of elements in the periodic table.

Accepted Answer

Family

Question 6

Give one type of physical property of matter

Accepted Answer

Extensive

Question 7

give one example of extensive property

Accepted Answer

Mass

Question 8

Write the scientific notation of 700

Accepted Answer

$7*10^2$

Question 9

What is true about Single displacement reaction?

Accepted Answer

A single-displacement reaction, is a chemical reaction in which one element is replaced by another in a compound.

Answer

A single-displacement reaction, is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.

Answer

A single-displacement reaction, is a type of chemical reaction in which two or more simple substances combine to form a more complex product.

Answer

A single-displacement reaction,  is a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat. Combustion reactions must involve O$^2$ as one reactant.

Question 10

What did Archimedes discover?

Accepted Answer

Buoyancy

Answer

density

Answer

Gravity

Answer

Law of motion

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