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Test: Metals And Non-metals (Easy) - Class 10 MCQ


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15 Questions MCQ Test Extra Documents, Videos & Tests for Class 10 - Test: Metals And Non-metals (Easy)

Test: Metals And Non-metals (Easy) for Class 10 2024 is part of Extra Documents, Videos & Tests for Class 10 preparation. The Test: Metals And Non-metals (Easy) questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Metals And Non-metals (Easy) MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Metals And Non-metals (Easy) below.
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Test: Metals And Non-metals (Easy) - Question 1
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Non-metals are never used in cooking utensils because:

Detailed Solution for Test: Metals And Non-metals (Easy) - Question 1

Non-metals are poor conductors of heat. So, they can't be used for cooking utensils.

 

 

Test: Metals And Non-metals (Easy) - Question 2
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Iron burns in air to form:

Detailed Solution for Test: Metals And Non-metals (Easy) - Question 2
Iron combusts in oxygen to form various iron oxides, mainly iron(III) oxide: 4 Fe (s) + 3 O2 (g) ==> 2 Fe2O3 (s) Iron in its usual bulk solid form will only burn when in pure oxygen with when a great deal of heat is supplied.

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Test: Metals And Non-metals (Easy) - Question 3
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Mercury is transported in the container's made up of

Detailed Solution for Test: Metals And Non-metals (Easy) - Question 3
Mercury is a liquid which is transported in iron containers, as iron does not amalgamate with mercury.

Test: Metals And Non-metals (Easy) - Question 4
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Which of the following is not a characteristic of metal?
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 4
Malleability, ductility, high conductivity are the various atomic characteristics of metals. Electronic configuration, valency, and reducing nature are the properties that determine the chemical properties of metals.

Test: Metals And Non-metals (Easy) - Question 5
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Silver metal becomes black on exposure to air by the coating of
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 5
Silver articles get tarnished by reacting with atmospheric air to form black coating of silver sulphide.

Test: Metals And Non-metals (Easy) - Question 6
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Which of the following metals reacts vigorously with oxygen?
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 6
Sodium is the metal that reacts with oxygen and water vigorously.

Test: Metals And Non-metals (Easy) - Question 7
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Reactivity order of the above-mentioned metals is
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 7
Arrangement of metal in decreasing order of reactivity are

Sodium > Magnesium > Zinc > Iron > Copper

Test: Metals And Non-metals (Easy) - Question 8
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Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?

(i) Au(ii) Cu(iii) Na(iv) K
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 8
The metals produced by various reduction processes described above are not very pure. They contain impurities, which must be removed to obtain pure metals. The most widely used method for refining impure metals is electrolytic refining. Many metals, such as copper and silver are refined electrolytically.
Test: Metals And Non-metals (Easy) - Question 9
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Out of sulphur and gold, which will have a higher melting point?
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 9
Metals have a higher melting point than nonmetals. So, Gold will have a higher melting point as it is a metal.

Test: Metals And Non-metals (Easy) - Question 10
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The ability of the metal to be drawn into sheets is known as
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 10

The ability of the metal to be drawn into sheets is known as malleability.

 

 

Test: Metals And Non-metals (Easy) - Question 11
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Which of the following metals exists in free state?
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 11
The metals at the bottom of the activity series are the least reactive. They are often found in a free state. For example, gold, silver, platinum and copper are found in the free state.

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Metals that produce ringing sounds are said to be
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 12

Metals that produce ringing sounds are said to be sonorous.

Test: Metals And Non-metals (Easy) - Question 13
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The molecules of metals and non-metals in vapour state are.
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 13
Metals form cations by losing electrons. The molecule of metals in the vapour state is generally monoatomic. Non-metals form anions (negative ions) by gaining electrons to complete their octet. Their molecules are usually polyatomic in the gaseous state.

Test: Metals And Non-metals (Easy) - Question 14
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 Haematite is an ore of
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 14

Hematite is heavy and relatively hard oxide mineral, ferric oxide (Fe2O3), that constitutes the most important iron ore because of its high iron content (70 percent) and its abundance. Its name is derived from the Greek word for “blood,” in allusion to its red colour.

Test: Metals And Non-metals (Easy) - Question 15
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The maximum number is of:
Detailed Solution for Test: Metals And Non-metals (Easy) - Question 15
There is the total of 118 elements that exist in the modern periodic table. Out of these, the maximum number is of metals which include 95 metals followed by the seventeen non-metal—the other six accounts for the Metalloids like Silicon, Arsenic, Boron, etc.

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