Metals

Which of the following is the possible example of compounds ?

Which of the following pair of combination of elements is correct ?

Which of the following metal oxide can be reduced by hydrogen ?

Z is a non-metallic material produced during iron extraction in the blast furnace. What is the use of Z?

What happen when the calcium carbonate react with hydrochloric acid ?

What happen when calcium carbonate is heated ?

Which of the following statements are NOT the mining issues and their impacts on living things.

What non-metal elements that are listed in the reactivity series of metals ?

Arrange the metals according to increasing reactivity towards oxygen : i) Lead ii) Aluminium iii) Zink iv) Carbon

Choose the suitable metals that can be extracted by electrolysis.

Hematite is an example of......

Non-renewable Resources are resources that __________ be replaced by more of the same resource.

Where are the metals found in the periodic table?

Aluminium is an important metal with many uses. Some of its properties are listed. I It is a good conductor of heat II It has a low density III It has an oxide layer that prevents corrosion Which set of properties help to explain the use of aluminium for cooking and storing food?

What type of mineral uses a lot of coal and iron to make steel?

Gold bars are called _________.

Calcium, copper, iron and magnesium are metals. They can be placed in order of reactivity. Which of the following statements about metals is correct?

Which property makes aluminium ideal for making food containers?