Ph scale predictions

Charlotte is conducting a science experiment. She needs to determine the pH level of battery acid. What is the pH level of battery acid?

• between 0 and 1

• between 3 and 4

• 7 (neutral)

• between 10 and 11

Answer explanation

Battery acid, primarily sulfuric acid, has a pH level between 0 and 1, indicating it is highly acidic. This makes 'between 0 and 1' the correct choice, as other options represent neutral or basic solutions.

Aiden is studying human biology and needs to predict: What is the pH level of blood?

• between 7 and 8

• between 3 and 4

• 7 (neutral)

• between 2 and 3

Answer explanation

The normal pH level of blood is tightly regulated between 7.35 and 7.45, which is slightly alkaline. Therefore, the correct choice is 'between 7 and 8', as it encompasses the normal range.

Emma is conducting a science experiment in her kitchen. She wants to know: What is the pH level of chicken soup?

• between 5 and 6

• between 3 and 4

• 7 (neutral)

• between 8 and 9

Answer explanation

Chicken soup typically has a pH level between 5 and 6 due to the presence of ingredients like vegetables and seasonings, which contribute to its acidity. This makes 'between 5 and 6' the correct choice.

Olivia is conducting an experiment to determine the pH level of coffee. What is the pH level of coffee?

• 5

• 3

• 9

• 7

Answer explanation

The pH level of coffee typically ranges from 4.5 to 6, making 5 the most accurate choice among the options. A pH of 3 would indicate a very acidic beverage, while 7 and 9 are neutral to alkaline, which coffee is not.

Liam is conducting a science experiment to determine the pH level of various household substances. What is the pH level of drain cleaner?

• 13

• 10

• 9

• 7

Answer explanation

Drain cleaners are highly alkaline substances, typically having a pH level around 13. This high pH indicates strong basicity, which is effective for breaking down clogs.

Scarlett is conducting an experiment in her science class. She needs to determine the pH level of hand soap. What is the pH level of hand soap?

• 10

• 8

• 3

• 7

Answer explanation

Hand soap typically has a pH level around 10, making it alkaline. This helps effectively remove dirt and oils from the skin, which is why the correct answer is 10.

Emma is conducting a science experiment to determine the pH level of various liquids. What is the pH level of Milk?

• 6.50

• 13.2

• 9.5

• 7

Answer explanation

The pH level of milk typically ranges from 6.5 to 6.7, making 6.50 the correct choice. This indicates that milk is slightly acidic, which is normal for dairy products.

Scarlett is conducting an experiment in her science class. She needs to determine the pH level of Orange Juice. What is the pH level of Orange Juice?

• between 3 and 4

• between 9 and 10

• between 7 and 8

• 7

Answer explanation

Orange juice typically has a pH level between 3 and 4, making it acidic. This is due to the presence of citric acid, which is common in citrus fruits like oranges.

Abigail is conducting an experiment in her science class. She needs to predict: What is the pH level of Soda?

• between 2 and 4

• between 9 and 10

• between 7 and 8

• 10 and 11

Answer explanation

Soda typically has a pH level between 2 and 4 due to its acidity from carbonic acid and other flavoring agents. This makes it much more acidic than neutral water, which has a pH of 7.

Olivia is conducting an experiment in her biology class. She needs to predict: What is the pH level of saliva?

• between 6 and 7

• between 9 and 10

• between 1 and 2

• 10 and 11

Answer explanation

The pH level of saliva typically ranges from 6 to 7, making it slightly acidic to neutral. This range is important for oral health and digestion, which is why 'between 6 and 7' is the correct choice.