Acids, Bases and salts

Acid is?

• A substance that reacts to metals and carbonates, and has a Ph of below 7.

• Often used in drain cleaner.

• Something that can only be found in a lab

• A bitter tasting substance

A base is

• A substance that feels slippery, has a higher Ph than 7, and is often used in drain cleaner.

• Has a Ph of below 7 and can react to metal and carbonates

• Is only found in a lab

• Something water can never be

Water is?

• Always an acd

• Always a base

• Is the most common base, and acid in the world

• Always is neutral that is why it is safe to drink

Do acids and bases conduct electricity?

• Only acids conduct electricity

• Only bases conduct electricity

• Bases and acids conduct electricity

• Neither conduct electricity

Tags

NGSS.MS-PS2-3

Which of the following values would represent the pH of a strong acid?

• 1

• 6

• 7

• 13

Which of the following values would represent the pH of a strong base?

• 1

• 8

• 7

• 13

Turns litmus blue.

• Acids
• Bases
• Salts
• All

Most foods are 

• Acid
• Basic
• Neutral
• salts

If a few drops of concentrated acid accidentally spills over the hand of a student,what should be done

• wash the hand with saline solution
• wash the hand immediately with plenty of water and apply a soln of sodium hydrogen carbonate
• after washing apply soln of sodium hydroxide
• neutralise the acid wih a strong alkali

Sting of an ant contains

• Vinegar

• Common salts

• Milk of magnesia

• Formic acid