Acids and Bases 3x

The image shows a PH scale. Which option indicates strong alkali?

• a

• b

• c

• d

The image shows a PH scale. Which option indicates strong acid?

• a

• b

• c

• d

What is the substance with a neutral pH of 7?

• Milk

• Water

• Orange Juice

• Blood

Which substance is acid?

• Ammonia

• Toothpaste

• Vinegar

• Soap

Alkalis feel...

• Rough

• Soapy

• Granulated

• Smooth

What is the meaning of the word 'acid'?

• Sour

• Bitter

• The ashes

• burn

What does the word 'alkali' means

• bitter

• The ashes

• sour

• burn

These house hold items were made of ____________.

• acids

• alkalis

What is the colour of litmus solution?

• blue

• purple

• green

• pink

A purple colour when using universal indicator indicates the solution is _______________.

• neutral

• acidic

• alkali

• blackcurrant juice