acid , bases and salt

tick the natural indicators

• turmeric

• phenophthalien

• iodine solution

• methylene blue

Which of the following is a base?

• orange juice
• water
• vinegar
• dishwashing detergent

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

Pure water has a pH of 7. Pure water _______.

• is a base
• is a neutral substance
• could be either an acid or a base
• is an acid

When an equal strength acid and base are mixed, what kind of chemical reaction occurs?

• Neutralization

• Combustion

• Oxdation

• Decomposition

Tags

NGSS.MS-PS1-2

Tastes bitter.

• Acids
• Bases
• Salts
• All

Tastes Sour

• Acids
• Bases
• Salts
• All

Feels slippery.

• Acids
• Bases
• All

Neutralization reactions

• formed from joining positive and negative ions 
• increases OH ions
• froms a salt and water
• increases H2O ions

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a chemical property of a base

• a slippery feel
• conducts an electric current
• turns red litmus paper blue
• forms hydronium ions in water