7.4 - 7.6, 10.1 - 10.3. Cambridge Science 7

Neutral Solution is formed when .................

• Salt and Water are reacted

• Acid and Base are reacted

• Metal and Acid are reacted

• None of them

Complete the word Equation

Acid + Alkali -----> _____ + ____

• Salt + Water

• Salt + Hydrogen

• Water + Hydrogen

• Water + Carbon Dioxide

You can use _____ to neutralize an Alkali. (You may choose multiple answers)

• Alkali

• Universal Indicator

• Burette

• Litmus Paper

A Solution with PH 13 is ______

• Acid

• Nuetral

• Alkali

• None of them

What do indigestive Medicines have?

• Acid

• Nuetral

• Alkali

• None of them

What do bacteria in in our mouth produce?

• Acid

• Nothing

• Alkali

• None of them

Where does energy in our body come from? You may choose multiple answers

• Food

• Water

• Running

• Lifting

• None of them

True or False?

Their are many things we can do without the help of machines

• True

• False

_____ is a good way of moving energy from place to place

• Energy

• Electricity

• Food and WAter

• Other

Fuels have to be _____ to release their store of energy

• Produced

• Extracted

• Burned

• Other