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Double- Replacement
Ions
Acid Base Reaction
Balanced Equations
Random
100

AB + CD ——> ___________

AD + BC

100

What is the ionic charge of an element in group 2?

+2

100

Define an acid? Give either the definition or two properties.

A substance that releases H+ ions in water. 

Or

Any 2 properties.

100

"Matter can't be created nor destroyed, just changed" This describes the Law of Conservation of ___

What is Law of Conservation of Mass

100

What type of pet does Mr. Humble have?

Pet dog called LouLou

200

Is this an example of a double displacement reaction?

K(NO3) + Na ——> Na(NO3) + K

No, its a single displacement reaction or metal displacement.

200

What is the ionic charge of an element in group 15?

-3

200

Define a base? Give the definition or any two properties.

A substance that releases OH- ions in water. 

Or

Any 2 properties.

200
When balancing equations, its smart to to label how much of each element is present. True or False
What is True?
200

What kind of fruit-based “high” does Harry Styles sing about in his 2019 hit?

Watermelon Sugar

300

True or false: a double displacement reaction involves an exchange of positive ions and between two reacting compounds

True

300

Hydrogen gas combines with Oxygen gas to form Water. Write the chemical equation on the board.

What is H2+O2--->H2O

300
When bases dissolve in water it conducts electricity, and have a _________ feeling
What is slippery?
300

Balance this equation on the board:

H2 + O2 ——> H2O

2H2 + O2 ——> 2H2O

300

The first book printed using the printing press.

the Bible

400
True or False: In order for a double replacement reaction to take place, both of the reactants must be soluble in water
What is True?
400

What is the ionic charge on a hydroxide ion? OH

-1

400
When dissolved in water ________ react with active metals to liberate hydrogen
What are Acids?
400

Give a brief description as to why you think its important to balance equations?

What is.......

400

Which continent do Toto bless the rains in?

Africa 

500
True or False. AB + XY ---> AX + BY
What is False?
500

What is the ionic charge on a sulphate ion? (SO4)

-2

500
What is always created in a neutralisation reaction?

A neutral salt (ionic compound)

500
Balance this! C+S8---> CS2
What is C+S8---> 4CS2
500

How old is Mr. Humble?

22