120 questions in Matter and materials
Most triedMost missedNewest- Water that is frozen becomes…
- Which of these is a gas?
- Changing from a liquid to a gas is called…
- Which property describes how heavy an object is for its size?
- In which state are particles closest together?
- Which of these is a chemical change?
- What is the chemical symbol for sodium?
- Water is made of…
- Copper sulphide is one of the ores of copper. When copper sulphide is heated in air, copper oxide and sulphur dioxide gas are produced.
- An inflated balloon is tied to a test-tube containing cold water. The test-tube is then placed in a beaker containing hot water.
- The diagram below shows a set-up used to prepare oxygen.
- The table below shows melting points and boiling points of different substances X, Y and Z.
- The table below gives information about substances R, S and T.
- The table below shows some incomplete information about the atoms of elements G and H. A student found a substance whose container read: melting poin…
- Carbon dioxide gas freezes at –78°C and sublimes when it is cooled. A sample of carbon dioxide gas is cooled from room temperature to a temperature o…
- Thabo performed an experiment to determine the density of a rock. He crushed the rock and obtained six stones of different sizes, and measured the ma…
- Answer the following about alloys.
- Silicon is a non-metallic element. Some of the properties of silicon are similar to those of metals. Some of its properties: • shiny and grey in colo…
- Oxygen can be obtained in the laboratory by the decomposition of hydrogen peroxide in the presence of a catalyst.
- Which of these is hard?
- Which of these is soft?
- What is a window usually made of?
- What is a chair often made of?
- What happens to ice when it is left in the sun?
- Which of these can you pour?
- Which of these floats on water?
- Which of these sinks in water?
- Which of these does a magnet pull?
- What are the three states of matter?
- Which of these is a solid?
Page 1 of 4Next