Class 10 Exam > Class 10 Notes > Science Class 10 > Unit Test: Metals & Non-metals
Unit Test: Metals & Non-metals | Science Class 10 PDF Download
Time: 1 hour
M.M. 30
Attempt all questions.
- Question numbers 1 to 5 carry 1 mark each.
- Question numbers 6 to 8 carry 2 marks each.
- Question numbers 9 to 11 carry 3 marks each.
- Question number 12 & 13 carry 5 marks each
Q1: Which of the following elements is a metal? (1 Mark)
(a) Carbon (C)
(b) Oxygen (O)
(c) Chlorine (Cl)
(d) Sodium (Na)
Q2: The chemical formula of magnesium chloride is: (1 Mark)
(a) MgCl2
(b) Mg2Cl
(c) MgCl
(d) MgCl3
Q3: Which of the following oxides is amphoteric in nature? (1 Mark)
(a) Carbon monoxide (CO)
(b) Sulphur dioxide (SO2)
(c) Aluminium oxide (Al2O3)
(d) Nitrogen dioxide (NO2)
Q4: Name one metal and one non-metal that exist as a liquid at room temperature. (1 Mark)
Q5: Define the term "displacement reaction" in the context of metals and give an example. (1 Mark)
Q6: Explain why metals are good conductors of electricity. (2 marks)
Q7: Write the balanced chemical equation for the reaction between sulphuric acid (H2SO4) and calcium hydroxide (Ca(OH)2). (2 marks)
Q8: What happens when metals react with acids? Explain with an example. (2 marks)
Q9: Explain the reactivity series of metals. (3 marks)
Q10: Compare the physical properties of metals and non-metals. (3 marks)
Q11: Give the reason why platinum, gold, and silver are used to make jewellery. (3 marks)
Q12: Explain the corrosion of iron and its prevention methods. (5 marks)
Q13: Discuss the occurrence of metals in nature, giving examples of native metals and ores. (5 marks)
You can find the solutions of this Unit Test here: Unit Test (Solutions): Metals & Non-metals
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FAQs on Unit Test: Metals & Non-metals - Science Class 10
| 1. What are the physical properties of metals? |  |
Ans. Metals generally have luster, are good conductors of heat and electricity, are malleable and ductile, and have high melting and boiling points.
| 2. Can you give examples of common non-metals? | |
Ans. Examples of non-metals include carbon, sulfur, oxygen, nitrogen, and chlorine.
| 3. How do metals and non-metals differ in terms of their chemical properties? | |
Ans. Metals tend to lose electrons to form positively charged ions, while non-metals tend to gain electrons to form negatively charged ions.
| 4. What is the importance of metals and non-metals in daily life? | |
Ans. Metals are used in construction, transportation, and electronics, while non-metals are essential in biological processes and in the production of various materials.
| 5. How are metals and non-metals classified on the periodic table? | |
Ans. Metals are located on the left side of the periodic table, while non-metals are located on the right side. Metalloids are found along the dividing line between metals and non-metals.
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