CBSE Questions for Class 10 Chemistry Metals And Non Metals Quiz 7 - MCQExams.com

Rods of carbon and copper are hammered simultaneously. Which property of carbon is responsible for carbon rod breaking down into pieces?
  • Ductility
  • Malleability
  • Lustre
  • Brittle
Non-metals exist in which state?
  • Solid
  • Liquid
  • Gas
  • All of the above
Metals are solid at room temperature except: 
  • Mercury
  • Gallium
  • Both A and B
  • Sodium
Which of the following statements are incorrect?
Statement 1: Non-metals possess the property of ductility and malleability
Statement 2: Non-metallic elements are brittle
Statement 3: Metals can produce ringing sound by striking
Statement 4: Melting points and boiling points of metals are low
  • 1 and 3
  • 2 and 3
  • 1 and 4
  • 2 and 4
The major products of the following reaction is:
$$ZnS(s)+{ O }_{ 2 }(g)\xrightarrow [  ]{ heat } $$
  • $$ZnO$$ and $${SO}_{2}$$
  • $$Zn{SO}_{4}$$ and $${SO}_{3}$$
  • $$Zn{SO}_{4}$$ and $${SO}_{2}$$
  • $$Zn$$ and $${SO}_{2}$$
Red hot carbon will remove oxygen from the oxides $$XO$$ and $$YO$$ but not from $$ZO. Y$$ will remove oxygen from $$XO$$. Use this evidence to deduce the order of activity of the three metals $$X, Y$$ and $$Z$$ putting the most active first.
  • $$XYZ$$
  • $$ZYX$$
  • $$YXZ$$
  • $$ZXY$$
Nonmetals are sonorous.
  • True
  • False
Which of the following is not essential for rust to form?
  • Water
  • Iron
  • Oxygen
  • Carbon dioxide
Iodine is a :
  • Lustrous non-metal
  • Sonorous non-metal
  • Lustrous metal
  • Malleable metal
When sodium is dropped in small amount of water it catches fire. Which one of the following gas release in this process?
  • $$Na$$
  • $$H_2O$$
  • $$H_2$$
  • $$NaOH$$
Bronze statues and articles of copper slowly tarnish in air and turn green. This green colour is due to the formation of:
  • basic copper sulphate
  • an oxalate
  • copper sulphate
  • copper oxide
Which of the following is a characteristic property of non-metals?
  • Not malleable
  • Ductile
  • Malleable
  • Sonorous
Which of the following is true in case of electrolytic refining?
  • Impure metal is made cathode.
  • Impure metal is made anode.
  • Impure metal is made cathode and pure metal as anode.
  • Both electrodes must be of pure metal.
Which of the following are not the characteristic property of non-metal?
  • Sonorous
  • Not malleable
  • Not ductile
  • Not lustrous
Zn gives $$H_2$$ gas with $$H_2SO_4$$ and HCl but not with $$HNO_3$$ because
  • Zn acts as an oxidizing agent when reacts with $$HNO_3$$
  • $$HNO_3$$ is weaker acid than $$H_2SO_4$$ and HCl
  • In electrochemical series, Zn is above hydrogen
  • $$NO^{-1}_3$$ ion is reduced in preference to hydronium ion.
A metal 'M' has shining appearance and reacts with hot water and also with dilute hydrochloric acid to evolve hydrogen gas. The metal 'M' is:
  • can be copper because it lies above hydrogen in the reactivity series, i.e., more reactive than hydrogen
  • can be gold because it lies below hydrogen in the reactivity series, i.e., more reactive than hydrogen
  • cannot be gold because it lies above hydrogen in the reactivity series, i.e., less reactivity than hydrogen
  • cannot be copper because it lies below hydrogen in the reactivity series, i.e., less reactive than hydrogen
The properties of four elements are shown. Which element is used to make aircraft bodies?
Element 1 - Density - high, brittle or malleable - brittle
Element 2 - Density - high, brittle or malleable - malleable
Element 3 - Density - low, brittle or malleable - brittle
Element 4 -  Density - low, brittle or malleable - malleable
  • Element 1
  • Element 2
  • Element 3
  • Element 4
In metal reactivity series, the more reactive metals are placed at the:
  • top
  • bottom
  • middle
  • none
The metal with does not react with hydrochloric acid is/are:
  • Potassium
  • Zinc
  • Aluminium
  • Copper
Which two properties are physical properties of all pure metals? 
  • Property $$1$$ - brittle, property $$2$$ - poor conductor of heat
  • Property $$1$$ - good conductor of electricity, property $$2$$ - malleable
  • Property $$1$$ - good conductor of heat, property $$2$$ - low melting point
  • Property $$1$$ - malleable, property $$2$$ - low density
Which statement is correct generally for all metals?
  • They conduct electricity 
  • They are brittle
  • They are non-sonorous
  • They have a low melting point
The position of some metals in the electrochemical series in decreasing electropositive character is given as: $$Mg > Al > Zn > Cu > Ag$$. What will happen if a copper spoon is used to stir a solution of aluminium nitrate?
  • The spoon will get coated with aluminium.
  • An alloy of copper and aluminium is formed.
  • The solution becomes blue.
  • No chemical change will take place.
The important metal used with iron to produce stainless steel is:
  • Carbon
  • Tin
  • Chromium
  • Aluminium
Which substances are needed for iron to rust?
  • Carbon dioxide and oxygen
  • Oxygen only
  • Water and carbon dioxide
  • Water and oxygen
Metals such as lead, copper, silver and gold do not react with water at all.
  • Statement is False
  • Statement is True
  • Lead reacts but copper, silver, and gold do not
  • Copper reacts but lead, silver and gold do not.
At $$30^o$$C, which $$3$$ metals are all liquids?
  • Hg, Fe, Zn
  • Hg, Sn, Pb
  • Zn, Pb, Sn
  • Hg, Ga, Cs
Write true or false for the following statements:
Metals are malleable, ductile, sonorous and lustrous. 
  • True
  • False
Generally metals reacts with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except $$Mn$$ and $$Mg$$)?
  • $$H_2SO_4$$
  • $$HCl$$
  • $$HNO_3$$
  • All of these
The metal which produces hydrogen gas on reaction with dilute hydrochloric acid as well as sodium hydroxides solution is 
  • copper
  • aluminium
  • iron
  • sodium
The table below gives information about four substance A, B, C, and D.

SubstanceMelting pointElectrical conductivity (liquid)Solubility
AHighPoorSoluble in water
BHighGoodSoluble in water
CLowPoorSoluble in kerosene
DHighGoodSoluble in kerosene

Identify the ionic substance from the above given substances.
  • A
  • B
  • C
  • D
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