WorksheetsChap 4 The Reactivity of Metals
Total questions: 20
Worksheet time: 36mins
Mineral are solid _____________ or _________________ that are naturally found with certain crystalline structures and chemical composition on the Earth's crust.
(a)
What is the scientific name of limestone/marble?
(a)
(a) is the scientific name for bauxite.
Pyrite has a scientific name called (a)
What is the common name of ferum oxide ?
hematite
pyrite
calcite
galena
Galena has a scientific name called lead sulphide. What are the element for in lead sulphide?
lead
sulphur
lead & sulphur
lead & oxygen
This chemical compound has a scientific name of silicon dioxide. It contains silicon and oxygen elements. What is the common name of this chemical name described.
quartz
jade
gold
marble
Taiping is known for century old tin-mining town. A lot tin ore extracted at this heritage town many years ago. What is the common name of tin ore?
hematite
pyrite
bauxite
cassiterite
How many element(s) present in calcium carbonate?
1
2
3
4
Which one is the correct element(s) present in calcium carbonate?
calcium and oxygen
carbon and oxygen
calcium, carbon and oxygen
calcium and carbon
Diagram shows some dilute hydrochloric acid is added to a few marble chips into a test tube. Identify the type of gas released when calcium carbonate reacts with an acid?
oxygen
nitrogen dioxide
carbon dioxide
nitrogen dioxide
Tick the elements combined in calcium carbonate
calcium
carbon
hydrogen
oxygen
When calcium carbonate reacts with hydrochloric acid, what are the product(s) will be formed at the end of the reaction?
calcium chloride, carbon dioxide and water
calcium chloride, and carbon dioxide
carbon dioxide, and water
calcium calcium and water
Below are the various form of calcium carbonate. Identify them by tick (/) in the correct box(es) provided.
The mineral shown in the diagram can be found abundantly through mining.
This transparent Rock Crystal has many electronic uses;
It is used as oscillators in radios, watches, and pressure gauges, and in the study of optics.
It is also used as an abrasive for sandblasting, grinding glass, and cutting soft stones.
The name of this mineral is known as (a) .
What is the scientific name of gold?
platinum
aurum
chromium
forum
Which of the following is NOT a element exist independently in the Earth's crust?
gold
silver
platinum
copper
Which country has the largest gold reserve in the world?
Russia
America
China
Japan
This metal is quite dense, stable and rare metal
It is often used in jewellery for its attractive, silver-like appearance, as well as in medical, electronic, and chemical applications due to its various and unique chemical and physical properties.
This metal is more than ten times rarer than gold.
This metal is known as 'white gold'
Identify the name of this metal.
Platinum
magnesium
silver
iron
State the characteristics of metal.
At least 10 characteristics.
