MCQs for Science Class 10 with Answers Chapter 3 Metals and Non-Metals
Students of class 10 Science should refer to MCQ Questions Class 10 Science Metals and Non-Metals with answers provided here which is an important chapter in Class 10 Science NCERT textbook. These MCQ for Class 10 Science with Answers have been prepared based on the latest CBSE and NCERT syllabus and examination guidelines for Class 10 Science. The following MCQs can help you to practice and get better marks in the upcoming class 10 Science examination
Chapter 3 Metals and Non-Metals MCQ with Answers Class 10 Science
MCQ Questions Class 10 Science Metals and Non-Metals provided below have been prepared by expert teachers of grade 10. These objective questions with solutions are expected to come in the upcoming Standard 10 examinations. Learn the below provided MCQ questions to get better marks in examinations.
Question: The atomic number of an element Y is 16. The number of electrons in Y2– ion will be:
Question: Which one of the following is not correct regarding the electrolytic refining of copper?
(a) Basic Cu(OH)2 solution is used as cathode.
(b) Acidified CuSO4 solution is used as electrolyte.
(c) Impure Cu is taken as cathode
(d) Cu2+ ion gets collected at anode.
Question: Which of the following elements will form basic oxides?
Question: Which of the following metal is liquid at ordinary temperature?
Question: A student by mistake used a wet gas jar to collect sulphur dioxide. Which one of the following tests of the gas is likely to fail ?
(b) Effect on acidified K2Cr2O7 solution
(c) Solubility test
(d) None of these
Question: Which of the following compound is covalent in nature?
(a) Carbon tetrachloride
(b) Ammonium chloride
(c) Lithium chloride
(d) Calcium chloride
Question: Zn + H2O (Steam) –––→ A + B, In the equation A and B are –
(a) Zn, H only
(b) ZnH2 and O2
(c) ZnO2 & O2
(d) ZnO & H2
Question: Removal of impurities from ore is known as –
(a) crushing and grinding
(b) concentration of ore
Question: Silicon is used in :
(a) solar energy devices
(d) all of these
Question: Froth floatation method is used for the concentration of–
(a) oxide ores
(b) sulphide ores
(c) sulphate ores
(d) halide ores
Question: Which of the following is not a characteristics of metal ?
(b) Electropositive nature
(d) None of these
Question: Pure gold is –
(a) 24 carats
(b) 22 carats
(c) 20 carats
(d) 18 carats
Question: What is anode mud ?
(a) Fan of anode
(b) Metal of anode
(c) Impurities collected at anode in electrolysis during purification of metals
(d) All of these
Question: Heating of concentrated ore in absence of air for conversion into oxide ore is known as –
(d) none of these
Question: Which of the following pairs will give displacement reactions?
(a) ZnSO4 solution and aluminium metal
(b) MgCl2 solution and aluminium metal
(c) FeSO4 solution and silver metal
(d) AgNO3 solution and copper metal.
Question: An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be –
Question: Which of the following is a chemical method for preventing an iron frying pan from rusting?
(a) applying grease
(b) applying paint
(c) applying a coating of zinc
(d) all of the above
Question: The correct order of increasing chemical reactivity is –
(a) Zn < Fe < Mg < K
(b) Fe < Mg < Zn < K
(c) Fe < Mg < K < Zn
(d) Fe < Zn < Mg < K
Question: The least malleable is –
Question: The metal that reacts with cold water is –
Question: Aluminium does not oxidise readily in air because –
(a) it is high in the electrochemical series.
(b) it is low in the electrochemical series.
(c) the metal does not combine with oxygen.
(d) the metal is covered with a layer of oxide which
does not rub off.
Question: The process of extraction of metal from its ores, is known as –
Question: The compound from which metal is extracted economically
Question: The only metal that is liquid at room temperature is –
Question: The process to heat the ore in the presence of excess supply of air below its melting point is called –
Question: One of the constituents of amalgam is –
Question: Graphite is a/an –
Question. The electronic configuration of three elements X, Y and Z are as follows:
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula,
(a) X 2 Y
(c) XZ 3
(d) Y 23 Z
Question. The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which’of the following is correct?
(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
Question. Copper objects lose their shine and form green coating of
(a) Copper oxide
(b) Copper hydroxide and Copper oxide
(c) Basic Copper carbonate
(d) Copper carbonate
Question. Which of the statements about the reaction, ZnO + CO → Zn + CO 2 is correct ?
(a) ZnO is being oxidised
(b) CO is being reduced
(c) CO 2 is being oxidised
(d) ZnO is being reduced
Question. In extraction of copper, the flux used is
Question. Metal always found in free state is:
Question. An element X 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
Question. The common method for extraction of metals from the oxide ore is
(a) Reduction with carbon
(b) reduction with hydrogen
(c) reduction with aluminium
(d) electrolytic method
Question. Galvanisation is a method of protecting iron from grudging by coating with a thin layer of
Question. A mineral is known as ore if metal
(a) Cannot be produced from it
(b) Can be produced from it
(c) Can be extracted from it profitably
(d) Is very costly
Question. Chemically rust is
(a)Hydrated ferrous oxide
(b)Hydrated ferric oxide
(c)only ferric oxide
(d)none of these
Question. The correct decreasing order of the metals in the activity series is:
(a) Ca, Mg, Ni, Fe
(b) Ni, Ca, Mg, Fe
(c) Ca, Mg, Fe, Ni
(d) Mg, Ca, Fe, Ni
Question. Setting of Plaster of Paris takes place due to
Question. The earthy impurities associated with mineral used in metallurgy are called
Question. Heating pyrites to remove sulphur is called
Question. Al 2 O3 + 2NaOH → …… + H2O
(a) Al(OH) 3
(b) Na 2O
Question. Non-metals form covalent chlorides because
(a) they can give electrons to chlorine
(b) they can share electrons with chlorine
(c) they can give electrons to chlorine atoms to form chloride ions
(d) they cannot share electrons with chlorine atoms
Question.The highly reactive metals like Sodium, Potas-sium, Magnesium, etc. are extracted by the
(a) electrolysis of their molten chloride
(b) electrolysis of their molten oxides
(c) reduction by aluminium
(d) reduction by carbon
Question. A student adds one big iron nail each in four test tubes containing solution of zinc sulphate, aluminium sulphate, copper sulphate and iron sulphate. A reddish brown coating was observed only on the surface of iron nail which was added in the solution of:
(a) Zinc sulphate
(b) Iron sulphate
(c) copper sulphate
(d) Aluminium sulphate
Question. Which of the following is the correct arrange-ment of the given metals in ascending order of their reactivity? Zinc, Iron, Magnesium, Sodium
(a) Zinc > Iron > Magnesium > Sodium
(b) Sodium > Magnesium > Iron > Zinc
(c) Sodium > Zinc > Magnesium > Iron
(d) Sodium > Magnesium > Zinc > Iron
Question. Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?
(b) Fe 2 O 3
(c) Fe 3 O 4
(d) Fe 2 O 3 and Fe 2 O4
We hope the above multiple choice questions for Class 10 Science for Chapter 3 Metals and Non-Metals provided above with answers based on the latest syllabus and examination guidelines issued by CBSE, NCERT and KVS are really useful for you. Metals and Non-Metals is an important chapter in Class 10 as it provides very strong understanding about this topic. Students should go through the answers provided for the MCQs after they have themselves solved the questions. All MCQs have been provided with four options for the students to solve. These questions are really useful for benefit of class 10 students. Please go through these and let us know if you have any feedback in the comments section.