The chapter "Metals and Non-Metals" is a cornerstone of Class 10 Chemistry, forming a significant portion of the CBSE Board Exam weightage. It bridges the understanding between physical properties and complex chemical behaviors, such as the reactivity series, ionic bonding, and metallurgical processes. Mastery of this chapter is essential for scoring well in both objective and descriptive sections, as it explains the fundamental interactions that govern the material world.
This practice quiz is meticulously designed to align with the 2024-25 NCERT curriculum. It covers diverse topics ranging from amphoteric oxides and the extraction of metals to the properties of ionic compounds and alloys. By attempting these questions, students will enhance their critical thinking skills and gain the precision required to tackle competency-based questions effectively in the board examinations.
30
Minutes
30
Questions
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Marking
Q1. Which of the following metals is the best conductor of heat?
Lead
Mercury
Silver
Iron
Q2. Which non-metal is a liquid at room temperature?
Mercury
Bromine
Iodine
Phosphorus
Q3. Amphoteric oxides are those which react with:
Acids only
Bases only
Neither acids nor bases
Both acids and bases
Q4. Which of the following oxides of iron would be obtained on prolonged reaction of iron with steam?
and
Q5. What happens when calcium is treated with water?
It does not react with water.
It reacts violently with water.
It reacts less violently and bubbles of hydrogen gas stick to its surface.
It floats because it is lighter than water.
Q6. Which of the following metals do not react even with steam?
Silver and Gold
Iron and Zinc
Magnesium and Aluminum
Sodium and Potassium
Q7. Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio:
1:3
3:1
2:3
3:2
Q8. Which of the following is an iron ore?
Bauxite
Haematite
Cinnabar
Calamine
Q9. Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?
(i) (ii) (iii) (iv)
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(iii) and (iv)
Q10. The electronic configurations of three elements X, Y and Z are ; ; . Which two elements will combine to form an ionic compound?
X and Y
Y and Z
X and Z
Y and Y
Q11. Which of the following properties is NOT generally exhibited by ionic compounds?
Solubility in water
High melting and boiling points
Electrical conductivity in solid state
Electrical conductivity in molten state
Q12. The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called:
Roasting
Reduction
Calcination
Smelting
Q13. During electrolytic refining of zinc, it gets:
Deposited on cathode
Deposited on anode
Deposited on cathode as well as anode
Remains in the solution
Q14. An alloy of and is called:
Bronze
Brass
Solder
Amalgam
Q15. Which of the following non-metals is lustrous?
Sulphur
Oxygen
Nitrogen
Iodine
...and 15 more challenging questions available in the interactive simulator.