UNIT 1 Review
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Eric Low
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51 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acids and bases are similar and different in which of the following ways?
Both can conduct electricity, but acids taste sour and bases taste bitter.
Both taste sour and have a pH above 7.
Both are slippery to touch and turn litmus paper red.
Both are neutral and do not react with metals.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pH scale is used to measure how acidic or basic a substance is in relation to water.
It measures how acidic or basic a substance is in relation to water.
It measures the temperature of water.
It measures the density of a substance.
It measures the color of a solution.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acids and bases are similar and different in their properties. The pH scale measures how acidic or basic a substance is, and it can tell us about acids and bases in relation to water. Which statement best describes the relationship between acids, bases, and the pH scale?
Acids have a pH less than 7, bases have a pH greater than 7, and water is neutral at pH 7.
Acids and bases both have a pH of 7.
Bases have a pH less than 7, acids have a pH greater than 7, and water is acidic at pH 5.
Acids and bases cannot be measured using the pH scale.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
apple cider vinegar, water, bleach, and a bar of soap. Choose one to be the 'odd one out.'
Bleach
Apple cider vinegar
Water
Bar of soap
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acids and bases are two different types of substances that you encounter in everyday life, each with its own unique properties. Which of the following is true about acids and bases?
They are the same type of substance
They are two different types of substances
They have no unique properties
They are only found in laboratories
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pH scale measures:
the acidity or alkalinity of a solution
the temperature of a solution
the density of a solution
the color of a solution
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the pH scale, what is considered neutral?
pH less than 7
pH equal to 7
pH greater than 7
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