CBSE Class 10 Science Chapter 3 Metals & Non-Metals Multiple Choice Questions with Answers. MCQ Class 10 Science Metals & Non-Metals with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Metals & Non-Metals MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 6
Question 1:
When a non-metal is allowed to react with water
a) CO2 gas is formed
b) H2 gas is formed
c) Product formed depends on temperature
d) No products are formed
Correct Answer – (D)
Question 2 :
Pick the statement which is correct about the non-metal:
a) Br is an example of liquid non-metal.
b) Graphite is a good conductor of electricity
c) Most of the non-metal oxides are acidic
d) All of these
Correct Answer – (D)
Question 3 :
A student studying the chemical properties of metals finds incomplete chemical reactions in his book, as shown:
MgO + HNO3 →
Which option completes the reaction?
(a) MgO + HNO3 → Mg3N2 + 4H2O
(b) MgO + HNO3 → Mg + NO2 + O2
(c) MgO + HNO3 → Mg(OH)2 + 2NO2
(d) MgO + HNO3 → Mg(NO3)2 + H2O
Correct Answer – (D)
Question 4 :
Which option gives the process of extraction of mercury from its ore cinnabar?
(a) cooling cinnabar in the presence of excess air
(b) cooling cinnabar to convert it into mercuric oxide and then heating it
(c) cinnabar to convert it into mercuric oxide and then heating it again
(d) cinnabar in the presence of limited air to and then adding a small amount of water
Correct Answer – (C)
Question 5 :
What happens when a pellet of sodium is dropped in water?
(a) It catches fire and forms oxide.
(b) It absorbs heat and forms oxide.
(c) It catches fire and forms hydroxide.
(d) It absorbs heat and forms hydroxide.
Correct Answer – (C)
Question 6 :
A student writes two incomplete chemical reactions.
X – P4(s) +5O2(g) ⟶
Y – 2Mg(s) + O2(g) ⟶
Which option completes the reactions to form a balanced chemical equation?
(a) X – P5O4(s); Y – (MgO)2(s)
(b) X – 4PO10(s); Y – 4MgO(s)
(c) X – P4O10(s); Y – 2MgO(s)
(d) X – 5P4O2(s); Y – Mg2O2(s)
Correct Answer – (C)
Question 7 :
Which of the following can undergo a chemical reaction?
a) MgSO4 + Fe
b) ZnSO4 + Fe
c) MgSO4 + Pb
d) CuSO4 + Fe
Correct Answer – (D)
Question 8 :
When calcium oxide is added to water, it completely dissolves in water without forming bubbles. What products are formed in this reaction?
(a) Ca and H2
(b) Ca and H2O2
(c) Ca(OH)2
(d) CaH2
Correct Answer – (C)
Question 9 :
he chemical reaction between a piece of copper and nitric acid is given by the chemical
equations,
Cu + HNO3 → Cu(NO3)2 + H2
H2 + HNO3 → H2O + NO2
What can be inferred from the chemical equation?
a) Copper causes the oxidation of HNO3 to form NO2.
b) Hydrogen gas gets oxidized by HNO3 to form water.
c) Gas reacts with oxygen in the air to form water.
d) Nitrate reacts with hydrogen to form NO2 and H2O.
Correct Answer – (B)
Question 10 :
When hydrochloric acid is added to barium hydroxide, a white-colored compound is formed. Which option gives the complete chemical reaction?
a) HCl + Ba(OH)2 → BaCl2 + 2HOH
b) 2HCl + Ba(OH)2 → BaCl2 + 2HOH
c) 2HCl + Ba(OH)2 → BaH2 + 2HCl + O2
d) HCl + 2Ba(OH) → 2BaCl2 + 2HOH + O2
Correct Answer – (B)
- NCERT Solutions Class 10 Science Chapter 1 : Chemical Reactions and Equation
- NCERT Solutions Class 10 Science Chapter 2 : Acids, Bases & Salts
- NCERT Solutions Class 10 Science Chapter 3 : Metals and Non-metals
- NCERT Solutions Class 10 Science Chapter 4 : Carbon And Its Compounds
- NCERT Solutions Class 10 Science Chapter 5 : Periodic Classification of Elements
- NCERT Solutions Class 10 Science Chapter 6 : Life Precesses
- NCERT Solutions Class 10 Science Textbook Download
