Acids and Bases Cooking

Read the following and answer the question.

A factory releases all it's waste, that is, harmful acids into bodies of water.The waste needs to be released immediately. But, there are organisms living inside the water too. Which one of these is the correct solution?

• Clear out all living organisms inside the body of water. Then, release the factory waste.

• Release all the waste immediately.

• Add Bases to neutralise the waste.

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

What happens when a base reacts with an acid?

• Produces salt and water

• Produces hydrogen gas

• Produces carbon dioxide

• Produces oxygen

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Neha is cooking chicken soup for Oliver and Ava. If she adds more chicken soup to the pot, what will happen to the pH of the soup?

• It will increase and get closer to 7

• It will decrease and get closer to 0

• It will stay the same and not change

If I add more water to this setup, what will happen to the pH?

• It will increase and get closer to 7

• It will decrease and get closert to 0

• It will stay the same and not change

Tags

NGSS.MS-PS1-2

Milk is a very weak acid. What might its pH value be?

• 6.5

• 7.8

• 4.2

• 12.2

Which of the following is an acid?

• vinegar

• bleach

• sugar in water

• starch in water

• toothpaste in water

The pH value of an acid represents its __________ of positive ions in the solution

• amount

• concentration

• color

• charge

Which of the following is a property of a base?

• bitter taste

• reacts with metals

• salty

• sour taste