Chemistry - Rocks And Metals Quiz

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| By Overlordtom

Overlordtom

Community Contributor

Quizzes Created: 1 | Total Attempts: 152

Questions: 10 | Attempts: 153 | Updated: Mar 20, 2023

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Chemistry Test Revision

Questions and Answers

1.

What Happens when you add Water to quicklime?
- A.
  
  It becomes lime water.
- B.
  
  It becomes Slaked lime.
- C.
  
  It stays the same.
Correct Answer
B. It becomes Slaked lime.

Explanation
Calcium Oxide + Water ------> Calcium Hydroxide

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2.

What is limestone mainly made of?

Correct Answer
calcium carbonate

Explanation
limestone was formed from plants and animals a million years ago.

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4
3.

What is the scientific name of breaking down a chemical by heating?
- A.
  
  Demonetization
- B.
  
  Melting
- C.
  
  Thermal Decomposition
Correct Answer
C. Thermal Decomposition

Explanation
There are also other ways to split compounds, like electrolysis

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4.

Slaked limes chemical name is calcium hydroxide?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The chemical equation is Ca(OH)2

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5.

Which three from the list are used to make mortar
- A.
  
  Slaked Lime
- B.
  
  Salt
- C.
  
  Cement
- D.
  
  Lime Water
- E.
  
  Sand
- F.
  
  Iron
- G.
  
  Water
Correct Answer(s)
A. Slaked Lime
E. Sand
G. Water

Explanation
Mortar was used in roman times to hold bricks and other materials together.

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6.

The way in which we extract a metal depends on its what?
- A.
  
  Reactivity Series
- B.
  
  Value
- C.
  
  Shape and Size
Correct Answer
A. Reactivity Series

Explanation
Potassium is the most reactive and Platinum is the least reactive.

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7.

Powdered Limestone + Sand + Sodium Carbonate = Concrete
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Water, cement and sand makes concrete.

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8.

Which metal is mainly used for making aircraft?

Correct Answer
aluminium

Explanation
aluminium is strong and light, which is perfect for aircrafts.

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4
9.

Atoms consist of a nucleus surrounded by _________.

Correct Answer
electrons

Explanation
Atoms consist of a nucleus surrounded by electrons. The nucleus, located at the center of an atom, contains protons and neutrons. Electrons, which have a negative charge, orbit around the nucleus in specific energy levels or shells. These electrons are responsible for the chemical properties and bonding behavior of atoms.

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10.

We extract iron using a ______ _______.

Correct Answer
blast furnace

Explanation
The iron produced by a blast furnace is not that useful as it is only 96% iron.

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4

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Current Version
Mar 20, 2023

Quiz Edited by
ProProfs Editorial Team
Jan 20, 2011

Quiz Created by
Overlordtom

Chemistry - Rocks And Metals Quiz

What Happens when you add Water to quicklime?

What is limestone mainly made of?

What is the scientific name of breaking down a chemical by heating?

Slaked limes chemical name is calcium hydroxide?

Which three from the list are used to make mortar

The way in which we extract a metal depends on its what?

Powdered Limestone + Sand + Sodium Carbonate = Concrete

Which metal is mainly used for making aircraft?

Atoms consist of a nucleus surrounded by _________.

We extract iron using a ______ _______.

We extract iron using a _.