Warming Up Quiz

1. Which of the following elements is a metal?

• Oxygen

• Nitrogen

• Sodium

• Fluorine

1. Which was the first metal to be isolated by electrolysis?

• copper

• nickel

• potassium

• silver

1. Which of the following is an example of a chemical change?

• Melting ice

• Boiling water

• Rusting of iron

• Cutting paper

1. The law of conservation of energy states that:

• Energy is created but cannot be destroyed

• Energy is destroyed but cannot be created

• Energy is neither created nor destroyed, only transferred or transformed
  

• Energy can be created and destroyed

1. Where does the sound travel faster?

• 1. water

• air

• 1. oil

• 1. helium

1. What is the pH value of a neutral solution?

• 1

• 7

• 14

• 0

Which of the following is a noble gas?

• Helium

• Calcium

• Iron

• Sodium

Which of the following best describes the concept of inertia?

• The tendency of an object to resist changes in motion

• The force exerted on an object due to gravity

• The measure of an object's mass per unit volume

• The force applied to an object that causes it to accelerate

1.  If a rectangle has a length of 8 units and a width of 4 units, what is its perimeter?

• 8 units

• 12 units

• 16 units

• 24 units

1. The day before yesterday I was 25. The next year I will be 28. This is true only one day in a year. What day is my birthday?
   

•  31st December

• 31st January

• 1st January

• 30th December