Class 10 Science Chapter 3 MCQ (Multiple Choice Questions) of Metals and Non-Metals. These sets of MCQ Online Tests contain more than 100 questions with suitable explanation and answers. At a time, it shows only five questions per set of MCQ test. If you want to practice more MCQs, click on START A NEW TEST button. These questions are important for not only CBSE board but UP Board and other board also whoever following NCERT textbooks for exams.

Class 10 Science Chapter 3 MCQ for 2022-2023

Class: 10Science
Chapter: 3Multiple Choice Questions (MCQ) Tests

Class 10 Science Chapter 3 MCQ with Answers

Class 10 Science chapter 3 Metal and non-metals MCQ questions online test are given below for practice. These MCQs are prepared from NCERT Books only. Answers as well as explanation of each answers are also given just below the questions. Questions are useful for all board like CBSE, UP Board, MP Board, and other board who are following NCERT Textbooks 2022-2023 for their final exams.

Q1

In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were correct? Will you be able to answer this question?

[A]. Metals are the elements that conduct heat and electricity, and are malleable and ductile.
[B]. Ductile means which can be stretched (or drawn) to form thin wires. And brittle means which breaks into pieces on hammering or stretching.
[C]. Malleable means which can be beaten with a hammer to form thin sheets (without breaking).
[D]. All the above.
Q2

Electrical wires have a coating of an insulting material. The material, generally used is

[A]. Sulphur
[B]. Graphite
[C]. PVC
[D]. All can be used
Q3

Consider the given statements and choose the incorrect one:

[A]. Malleability is an important characteristic property of metals.
[B]. Gold, iron, silicon is the most ductile metal.
[C]. Aluminium foils are used for packing food items like biscuits, chocolates.
[D]. Gold and silver metals are some of the best malleable metals.
Q4

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?

[A]. Brass
[B]. Bronze
[C]. Amalgam
[D]. Steel
Q5

In which of the following statements is or are incorrect?

[A]. Gallium and cesium metals also have high melting points (of 1300°C and 2800°C respectively).
[B]. Sodium and potassium are soft metals which can be easily cut with a knife.
[C]. Bangles are made of ‘gold’ metal because it is a highly lustrous (or shiny) metal.
[D]. Silver metal is an excellent reflector of light.
Q6

An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following.

[A]. Mg
[B]. Na
[C]. P
[D]. Ca
Q7

During electrolytic refining of zinc, it gets:

[A]. Deposited on cathode
[B]. Deposited on anode
[C]. Deposited on cathode as well as anode
[D]. Remains in the solution
Q8

In a science quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. Most of the metals are ductile.
[B]. Metals are generally good conductors of heat and electricity.
[C]. Sulphur and phosphorus are solid metals which are non-malleable and non-ductile.
[D]. As a non-metal graphite which is a good conductor of electricity.
Q9

Generally, non-metals are not lustrous. Which of the following non-metal is lustrous?

[A]. Sulphur
[B]. Oxygen
[C]. Nitrogen
[D]. Iodine
Q10

Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?

[A]. Na
[B]. Fe
[C]. Cr
[D]. Hg
Q11

Stainless steel is very useful material for our life. In stainless steel, iron is mixed with:

[A]. Ni and Cr
[B]. Cu and Cr
[C]. Ni and Cu
[D]. Cu and Au
Q12

Pratibha is taking preparation for her final examination. She is writing some statements about “metals and non-metals” but she confused to know whether the statements are correct or not? Would you help her?

[A]. Calcium reacts with cold water to form calcium hydroxide and hydrogen gas.
[B]. Sodium reacts vigorously with cold water forming sodium hydroxide and hydrogen gas.
[C]. Potassium reacts violently with cold water to form potassium hydroxide and hydrogen gas.
[D]. None of the above
Q13

Galvanisation is a method of protecting iron from rusting by coating with a thin layer of

[A]. Gallium
[B]. Aluminium
[C]. Zinc
[D]. Silver
Q14

Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?

[A]. Au and Cu
[B]. Au and Na
[C]. Cu and Na
[D]. Na and K
Q15

Which of the following metals exist in their native state in nature?

[A]. Cu and Au
[B]. Au and Zn
[C]. Au and Ag
[D]. Zn and Ag
Q16

The composition of aqua-regia is

[A]. Dil. HCl (3) : Conc. HNO3 (1)
[B]. Conc.HCl (3) : Dil. HNO3 (1)
[C]. Conc.HCl (3) : Conc.HNO3 (1)
[D]. Dil.HCl (3) : Dil.HNO3 (1)
Q17

Consider the following statement and choose the incorrect one:

[A]. Pure gold, known as 22 carat gold, is very soft.
[B]. If one of the metals is mercury, then the alloy is known as an amalgam.
[C]. Solder, an alloy of lead and tin (Pb and Sn), has a low melting point and is used for welding electrical wires together.
[D]. Brass, an alloy of copper and zinc (Cu and Zn), and bronze, an alloy of copper and tin (Cu and Sn), are not good conductors of electricity.
Q18

Generally, metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

[A]. H2SO4
[B]. HCl
[C]. HNO3
[D]. All of these
Q19

Anushka is writing some statement which is given by her teacher. Would you help him to choose the incorrect statements?

[A]. The metals at the top of the activity series (K, Na, Ca, Mg and Al) are so reactive that they are never found in nature as free elements.
[B]. Aqua regia, is a freshly prepared mixture of concentrated hydrochloric acid and dilute nitric acid in the ratio of 3:1.
[C]. Cinnabar (HgS) is an ore of mercury. When it is heated in air, it is first converted into mercuric oxide (HgO).
[D]. Sodium and chloride ions, being oppositely charged, attract each other and are held by strong electrostatic forces of attraction to exist as sodium chloride (NaCl).
Q20

What happens when calcium is treated with water?

[A]. It does not react with water, Bubbles of hydrogen gas formed stick to the surface of calcium.
[B]. It reacts violently with water, It reacts less violently with water.
[C]. It does not react with water, It reacts violently with water.
[D]. It reacts violently with water, Bubbles of hydrogen gas formed stick to the surface of calcium.
Q21

Sukriti is writing some statements, choose the correct statement and help him:

[A]. Anodising is a process of forming a thick oxide layer of Aluminium.
[B]. Metals like potassium and sodium react violently with steam, hot and cold water.
[C]. Metal oxides which react with both acids as well as bases to produce salts and water are known as amphoteric oxides.
[D]. Calcium starts floating because the bubbles of hydrogen gas formed stick to the surface of the metal.
Q22

Which of the following oxide(s) of iron would be obtained on the prolonged reaction of iron with steam?

[A]. FeO
[B]. Fe2O3
[C]. Fe3O4
[D]. Fe2O3 and Fe3O4
Q23

Which of the following pairs will give displacement reactions?

[A]. NaCl solution and copper metal
[B]. MgCl2 solution and Aluminium metal.
[C]. FeSO4 solution and silver metal.
[D]. AgNO3 solution and copper metal
Q24

The ability of metals to be drawn into thin wire is known as:

[A]. Ductility
[B]. Malleability
[C]. Sonorousity
[D]. Conductivity
Q25

Which of the following property is generally not shown by metals?

[A]. Electrical conduction
[B]. Sonorous in nature
[C]. Dullness
[D]. Ductility

Hydrogen gas is not evolved when a metal reacts with nitric acid in 10th Science chapter 3?

It is because HNO3 is a strong oxidising agent. It oxidises the H2 produced to water and itself gets reduced to any of the nitrogen oxides (N2O, NO, NO2). But magnesium (Mg) and manganese (Mn) react with very dilute HNO3 to evolve H2 gas.

Why does Magnesium float on the surface of hot water in chpater 3 of 10th Science?

Magnesium reacts with hot water to form magnesium hydroxide and hydrogen. It starts floating due to the bubbles of hydrogen gas sticking to its surface.

Why do ionic compounds have high melting and boiling points according to 10th Science?

This is because a considerable amount of energy is required to break the strong inter-ionic attraction.

Why are the sulphides and carbonates converted into their oxides during the extraction of metal? Answer as 10th Science chapter 3.

It is easier to obtain a metal from its oxide, as compared to its sulphides and carbonates. Therefore, prior to reduction, the metal sulphides and carbonates must be converted into metal oxides.

All the Multiple Choice questions are prepared by the subject expert. Only important questions for board examinations are included here with answer and explanation. There are four choices with one correct choice. About 25 sets of MCQ online tests are given to use free.

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