Grade 9 Q2 Review Quiz

Where is the position of the most reactive metal in the reactivity series?

• Bottom

• Middle

• Top

• Second before bottom

Which is the most unreactive element from the following list?

• Sodium

• Calcium

• Lead

• Iron

The main product of the reaction between metal and water is

• Metal hydroxide

• nitrogen gas

• metal oxide

• oxygen gas

The sub particle atom that have a negative charge in an atom is

• Proton

• Isotone

• Neutron

• Electron

Look at the picture above.

Which is the atomic mass?

• 29

• 63.546

• Cu

• Copper

Many chemicals reactions that cause explosions need

• Oxygen

• Hydrogen

• Nitrogen

• Carbon

The substance that used to make gunpowder is

• Potassium Nitrate

• Sodium Nitrate

• Hydrogen Nitrate

• Calcium Nitrate

What is the mean of endothermic reaction?

• The reaction that produces some energy

• The reaction that releases some energy

• The reaction that absorbs some energy

• The reaction that can increase the temperature of surrounding

What is the right statement about energy?

• Energy can be created or destroyed but can be transferred

• Energy cannot be created and can be destroyed but cannot be transferred

• Energy cannot be created and destroyed but can be transferred

• Energy can be created and destroyed but cannot be transferred

From the following, the example of an exothermic reaction is

• Evaporating of water

• Melting the ice cube

• Rusting of irons

• Photosynthesis