Metals And Non Metals Exam: Quiz!

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| By Armaantangri1307

Armaantangri1307

Community Contributor

Quizzes Created: 1 | Total Attempts: 758

Questions: 12 | Attempts: 758 | Updated: Mar 19, 2023

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Questions and Answers

1.

The most reactive metal is:
- A.
  
  Iron
- B.
  
  Potassium
- C.
  
  Zinc
- D.
  
  Gold
Correct Answer
B. Potassium

Explanation
Potassium is the most reactive metal among the options given. This is because it belongs to the alkali metal group, which is known for its high reactivity. Potassium readily reacts with water and oxygen in the air, forming potassium hydroxide and potassium oxide respectively. It also reacts vigorously with other elements and compounds, making it highly reactive compared to iron, zinc, and gold.

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2.

The liquid metal at room temperature.
- A.
  
  Mercury
- B.
  
  Gold
- C.
  
  Sodium
- D.
  
  Bromine
Correct Answer
A. Mercury

Explanation
Mercury is the correct answer because it is the only metal that remains in liquid form at room temperature. Gold, sodium, and bromine are all solid at room temperature. Mercury's low melting point allows it to exist as a liquid, making it unique among metals.

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3.

Non-metals are:
- A.
  
  Generally liquids
- B.
  
  Generally gases
- C.
  
  Generally soilds and gases
- D.
  
  None of these
Correct Answer
C. Generally soilds and gases

Explanation
Non-metals are generally solids and gases because they have low melting and boiling points compared to metals. This means that at room temperature, many non-metals exist in a solid state, such as carbon and sulfur. However, some non-metals, like oxygen and nitrogen, exist as gases at room temperature. Therefore, non-metals can exist in both solid and gaseous states, making the answer "generally solids and gases" correct.

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4.

The metal is stored in kerosene.
- A.
  
  Phosphorous
- B.
  
  Magnesium
- C.
  
  Sodium
- D.
  
  Calcium
Correct Answer
C. Sodium

Explanation
Sodium is stored in kerosene because it reacts violently with air and water. Kerosene is a non-reactive liquid that helps to prevent the sodium from coming into contact with air or moisture, which could cause it to ignite or explode. Storing sodium in kerosene ensures its safety and stability.

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5.

The non-metal which is liquid at room temperature.
- A.
  
  Carbon
- B.
  
  Iodine
- C.
  
  Bromine
- D.
  
  Chlorine
Correct Answer
C. Bromine

Explanation
Bromine is the correct answer because it is the only non-metal that is a liquid at room temperature. Carbon, iodine, and chlorine are all non-metals, but they exist as solids or gases at room temperature. Bromine, on the other hand, is a reddish-brown liquid that easily evaporates into a gas. It has a low boiling point of 58.8 degrees Celsius, allowing it to remain in a liquid state at room temperature.

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6.

Metal Oxides are of nature:
- A.
  
  Basic
- B.
  
  Acidic
- C.
  
  Neutral
- D.
  
  All of these
Correct Answer
A. Basic

Explanation
Metal oxides are of nature basic because they react with acids to form salts and water. They have a tendency to donate electrons and accept protons, making them basic in nature. This is due to the presence of metal cations in the oxide, which have a strong affinity for accepting protons. Therefore, metal oxides can be classified as basic compounds.

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7.

The metal can be cut with a knife.
- A.
  
  Potassium and calcium
- B.
  
  Barium and calcium
- C.
  
  Sodium and mercury
- D.
  
  Sodium and potassium
Correct Answer
D. Sodium and potassium

Explanation
Sodium and potassium are highly reactive metals that can react with water and air. They are soft enough to be easily cut with a knife. Potassium is even softer than sodium and can be cut with a butter knife. Therefore, the statement "The metal can be cut with a knife" is true for sodium and potassium.

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8.

Which one of the following is a good conductor of electricity?
- A.
  
  Iron
- B.
  
  Glass
- C.
  
  Wood
- D.
  
  Plastic
Correct Answer
A. Iron

Explanation
Iron is a good conductor of electricity because it has free electrons that are able to move easily through the material. This allows electric current to flow smoothly without much resistance. In contrast, materials like glass, wood, and plastic do not have free electrons and therefore do not conduct electricity well.

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9.

Which of the following is not a characteristic property of iron?
- A.
  
  Malleability
- B.
  
  Ductility
- C.
  
  Sonorousness
- D.
  
  Brittleness
Correct Answer
D. Brittleness

Explanation
Iron is known for its malleability, ductility, and sonorousness. Malleability refers to the ability of a material to be hammered or pressed into different shapes without breaking. Ductility refers to the ability of a material to be stretched into wires without breaking. Sonorousness refers to the ability of a material to produce a ringing sound when struck. However, iron is not known for its brittleness, which is the tendency of a material to break or shatter when subjected to stress.

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10.

The property of a metal which can be drawn into wires:
- A.
  
  Conductivity
- B.
  
  Malleability
- C.
  
  Ductility
- D.
  
  None of these
Correct Answer
C. Ductility

Explanation
Ductility refers to the ability of a metal to be stretched or deformed without breaking and to be drawn into thin wires. This property is important in various industries, such as electrical wiring and jewelry making, where metals need to be shaped into different forms. Conductivity, on the other hand, refers to the ability of a material to conduct electricity, while malleability refers to the ability to be hammered or rolled into thin sheets. Therefore, ductility is the correct answer for the given question.

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11.

The metal which will not produce hydrogen gas on reacting with dilute sulphuric acid:
- A.
  
  Silver
- B.
  
  Sodium
- C.
  
  Iron
- D.
  
  None of these
Correct Answer
A. Silver

Explanation
Silver will not produce hydrogen gas on reacting with dilute sulphuric acid because it is a less reactive metal. Silver is below hydrogen in the reactivity series, so it cannot displace hydrogen from sulphuric acid to form hydrogen gas.

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12.

The property of metal by which they can be beaten into thin sheets:
- A.
  
  Conduction
- B.
  
  Malleabilty
- C.
  
  Ductility
- D.
  
  None of these
Correct Answer
B. Malleabilty

Explanation
Malleability is the property of metals that allows them to be beaten into thin sheets without breaking or shattering. This property is due to the ability of metal atoms to move and rearrange themselves under pressure, allowing the metal to be easily shaped. Conduction refers to the ability of a material to transfer heat or electricity, while ductility refers to the ability of a material to be stretched into a wire. None of these properties are directly related to the ability of metals to be beaten into thin sheets.

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Current Version
Mar 19, 2023

Quiz Edited by
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Jun 05, 2020

Quiz Created by
Armaantangri1307

Metals And Non Metals Exam: Quiz!

The most reactive metal is:

The liquid metal at room temperature.

Non-metals are:

The metal is stored in kerosene.

The non-metal which is liquid at room temperature.

Metal Oxides are of nature:

The metal can be cut with a knife.

Which one of the following is a good conductor of electricity?

Which of the following is not a characteristic property of iron?

The property of a metal which can be drawn into wires:

The metal which will not produce hydrogen gas on reacting with dilute sulphuric acid:

The property of metal by which they can be beaten into thin sheets: