ACIDS AND ALKALIS
Authored by Mariela COLLO
Science
7th Grade
Used 66+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acids are alkalis are chemical ______________
opposites
equal
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Litmus is a dye made from a living organism. It is red in an acid, it is blue in an alkali and it is purple in a neutral solution. What the correct scientific term for a substance that changes colour in this way?
Acidic
Indicator
pH scale
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What colour is blue litmus paper in a solution of pH4?
Red
Blue
Orange
Purple
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Acids have a (a) taste
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Acids react with bases forming a (a) and water.
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Alkalis feel (a)
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Tick the household products on this list that are alkalis.
lemon juice
soap
vinegar
tomato sauce
vitamin C
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