Here are some multiple-choice questions (MCQs) for CBSE Chapter 3 Class 10 Science Metals and Non-Metals. These MCQs are designed to help students become familiar with the question types and their difficulty levels according to the updated CBSE Syllabus. With the recent changes in the exam pattern, MCQs have become an important part of the Class 10 Science Board exam. To assist students in understanding these question types, we have compiled MCQs specifically for Chapter 3 to make fundamentals strong. Additionally, answers to these MCQs are also available for students to reference. These MCQs are available in this post, enabling students to access them at any time during their studies. Students can also use the CBSE Class 10 Sample Papers books for more practice.
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CBSE Class 10 Chapter 3 Metals and Non-Metals MCQs
Q.1. Beakers A, B and C contain zinc sulphate, silver nitrate and iron (II) sulphate solutions respectively. Copper pieces are added to each beaker. Blue colour will appear in case of
(a) beaker A (b) beaker B
(c) beaker C (d) all the beakers.
Answer
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Q.2. The diagram shows a chemical cell.
Which statement about this chemical cell is correct?
(a) The copper metal is the negative electrode.
(b) The electrons flow from the magnesium metal to the copper metal.
(c) At the magnesium metal, bubbles of hydrogen gas are formed.
(d) At the copper metal, copper(II) ions are produced.
Answer
Q.3. The electronic configurations of three elements X, Y and Z are :
X : 2 Y : 2, 8, 7 Z : 2, 8, 2
Which of the following is correct regarding these elements?
(a) X is a metal. (b) Y is a metal.
(c) Z is a non-metal.
(d) Y is a non-metal and Z is a metal.
Answer
(d)
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Q.4. The given apparatus shows the reaction of steam with heated solid ‘X’.
The equation for the reaction is
Steam + Solid ‘X’ → Solid ‘Y’ (Residue)+ Gas ‘Z’ X, Y and Z are respectively.
(a) copper, copper oxide, oxygen
(b) lead, lead oxide, hydrogen
(c) silver, silver oxide, oxygen
(d) iron, iron oxide, hydrogen.
Answer
Q.5. Which of the following statements is correct regarding the slag obtained during the extraction of a metal like copper or iron?
(a) The slag is lighter and has lower melting point than the metal.
(b) The slag is heavier and has lower melting point than the metal.
(c) The slag is lighter and has higher melting point than the metal.
(d) The slag is heavier and has higher melting point than the metal.
Answer
Q.6. Element X reacts with element Y to form a compound Z. During the formation of compound Z, atoms of X lose one electron each whereas atoms of Y gain one electron each. Which of the following property is not shown by compound Z?
(a) High melting point
(b) Low melting point
(c) Occurrence as solid
(d) Conduction of electricity in molten state
Answer
Q.7. A particle contains 26 protons, 30 neutrons and 24 electrons. Which statement is true about this particle?
(a) It is an atom of a noble gas.
(b) It is an atom of a non-metal.
(c) It is a negative ion.
(d) It is a positive ion.
Answer
Q.8. Cupronickel is an alloy of copper and nickel. Which of the following statements is correct?
(a) Cupronickel does not corrode easily.
(b) Cupronickel has the same melting point as nickel.
(c) Pure copper is stronger than cupronickel.
(d) The atoms in cupronickel can slide over each other easily when a force is applied.
Answer
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Q.9. In stainless steel alloy, iron metal is mixed with
(a) Cu and Cr (b) Cr and Ni
(c) Cr and Sn (d) Cu and Ni
Answer
Q.10. Complete the reaction: Zn + 2NaOH →
(a) Zn(OH)2 + H2 (b) Na2ZnO2 + H2
(c) Zn(OH)2 + Na2O (d) Na2ZnO2 + Na2O
Answer
We hope the MCQs for CBSE Class 10 Science Chapter 3 on Metals and Non-Metals are helpful for your board exam preparation.
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