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A Sour and Bitter Journey through the pH Scale

Questions: 5

Grade: 6

Words: 122

Text

Text & Questions

Text, Questions & Answers

Did you know the tangy taste of lemon or the bitterness of baking soda isn t just a taste, but it s science? Yes, the sour lemon has something called acids, and the bitter baking soda contains bases. The strength of these acids and bases is measured by a scale called the pH scale. This scale ranges from 0 to 14. Substances with a pH value less than 7 are acids, and those with a pH value more than 7 are bases. What happens when they mix? They neutralize each other, just like good defeating evil! This process is called neutralization, which results in salt and water. But it s crucial for the pH level to stay balanced in our bodies and nature for healthy functioning.

Question 1

What is the pH scale used to measure?

Temperature

Weight

Strength of acids and bases

Explanation. The pH scale is used to measure the strength of acids and bases.

Distance

Height

Question 2

What are substances with a pH value less than 7 known as?

Bases

Neutrals

Acids

Explanation. Substances with a pH value less than 7 are known as acids.

Water

Salt

Question 3

What happens when acids and bases mix?

They explode

They create fire

They disappear

They neutralize each other

Explanation. When acids and bases mix, they neutralize each other.

They multiply

Question 4

What is the result of neutralization?

Soda

Milk

Salt and water

Explanation. Neutralization results in salt and water.

Juice

Tea

Question 5

Why is it crucial to maintain a balanced pH level in our bodies?

To lose weight

To gain height

For healthy functioning

Explanation. It is crucial for the pH level to stay balanced in our bodies for healthy functioning.

To change skin color

To increase hair growth

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