Chap 4 The Reactivity of Metals

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