SPM Science KSSM Chapter 9

Which of the following is an alloy?

• Copper

• Lead

• Steel

• Zinc

The diagram shows the structure of an alloy. What is the alloy?

• Bronze

• Brass

• Pewter

• Steel

Which of the following is true about bronze alloy?

• It is made up of 99% iron and 1% carbon

• Used to make door knobs

• Has a shiny surface

• Resist to corrosion

Which of the following is suitable for making the body of an aircraft?

• Bronze

• Brass

• Duralumin

• Pewter

The diagram shows an experiment to identify the nail with low corrosion resistance. Which of the following nail corrodes faster?

• Steel nail in the P test tube

• Iron nail in the Q test tube

• Steel nail in the R test tube

• Iron nail in the S test tube

The information below shows the composition of a glass.

SILICON, BORON OXIDE, SODIUM OXIDE, ALUMINIUM OXIDE

What is the type of the glass?

• Fused silica glass

• Lead glass

• Borosilicate glass

• Soda-lime glass

Which of the following process is used to make ceramic?

• Polymerisation

• Alloying

• Heating of silica at high temperature

• Heating of clay at high temperature

Which is the best way to keep latex in a liquid form?

• Add acid to latex

• Add alkali to latex

• Add distilled water to later

• Do not add any solution to latex

Which of the following monomers is suitable to make the soles of a shoe?

• Ethene

• Styrene

• Methyl metacrilate

• Neoprene

What is the object in the image made of?

• Borosilicate glass

• Steel

• Brass

• Duralumin