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Metals and Non-Metals Science - Metals and Non-Metals

UP Board (UPMSP) - STD 10 - Science (UPMSP - English Medium). 65 questions in this chapter.

Question types

Metals and Non-Metals question types

65 questions across 5 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

65
Questions
5
Question groups
5
Question types
Sample Questions

Metals and Non-Metals questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q1 Mark
Stainless steel is very useful material for our life. In stainless steel, iron is mixed with:
  • ✓
    Ni and Cr.
  • B
    Cu and Cr.
  • C
    Ni and Cu.
  • D
    Cu and Au.

Answer: A.

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Q 2M.C.Q1 Mark
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
  1. $\ce{Na}$
  2. $\ce{Ca}$
  3. $\ce{Fe}$
  4. $\ce{Cu}$
  • A
    $1$ and $4$
  • B
    $3$ and $4$
  • C
    $1$ and $3$
  • ✓
    $1$ and $2$

Answer: D.

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Q 3M.C.Q1 Mark
During electrolytic refining of zinc, it gets:
  • ✓
    Deposited on cathode.
  • B
    Deposited on anode.
  • C
    Deposited on cathode as well as anode.
  • D
    Remains in the solution.

Answer: A.

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Q 4M.C.Q1 Mark
Generally metals react 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 $Mg)?$
  • A
    $H_2SO_4$
  • B
    $HCl$
  • ✓
    $HNO_3$
  • D
    All of these.

Answer: C.

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Q 5M.C.Q1 Mark
Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?
  • A
    Na
  • B
    Fe
  • C
    Cr
  • ✓
    Hg

Answer: D.

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Q 8[2 Mark Questions]2 Marks
Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements.
1. Mg and $N _2$
2. Li and $O _2$
3. Al and $Cl _2$
4. K and $O _2$
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Q 9[2 Mark Questions]2 Marks
A metal M does not liberate hydrogen from acids but reacts with oxygen to give a black colour product. Identify M and black coloured product and also explain the reaction of M with oxygen.
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Q 10[2 Mark Questions]2 Marks
The following reaction takes place when aluminium powder is heated with $MnO _2$.
$3 MnO_2(s)+4 Al(s) \rightarrow 3 Mn(I)+2 Al_2 O_3(I)+\text { Heat }$
1. Is aluminium getting reduced?
2. Is $MnO _2$ getting oxidised?
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Q 13[3 Mark Questions]3 Marks
Generally, when metals are treated with mineral acids, hydrogen gas is liberated but when metals (except Mn and Mg ), treated with $HNO _3$, hydrogen is not liberated, why?
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Q 14[3 Mark Questions]3 Marks
Of the three metals X, Y and Z. X reacts with cold water, Y with hot water and Z with steam only. Identify X, Y and Z and also arrange them in order of increasing reactivity.
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Q 15[3 Mark Questions]3 Marks
A metal A, which is used in thermite process, when heated with oxygen gives an oxide B, which is amphoteric in nature. Identify A and B. Write down the reactions of oxide B with HCl and NaOH.
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Q 16[3 Mark Questions]3 Marks
Iqbal treated a lustrous, divalent element M with sodium hydroxide. He observed the formation of bubbles in reaction mixture. He made the same observations when this element was treated with hydrochloric acid. Suggest how can he identify the produced gas. Write chemical equations for both the reactions.
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Q 17[5 marks Questions]5 Marks
A non-metal A which is the largest constituent of air, when heated with $H _2$ in $1: 3$ ratio in the presence of catalyst (Fe) gives a gas B . On heating with $O _2$ it gives an oxide C . If this oxide is passed into water in the presence of air it gives an acid $D$ which acts as a strong oxidising agent.
1. Identify A, B, C and D.
2. To which group of periodic table does this non-metal belong?
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Q 18[5 marks Questions]5 Marks
Explain the following.
1. Reactivity of Al decreases if it is dipped in $HNO _3$.
2. Carbon cannot reduce the oxides of Na or Mg .
3. NaCl is not a conductor of electricity in solid state whereas it does conduct electricity in aqueous solution as well as in molten state.
4. Iron articles are galvanised.
5. Metals like $Na , K , Ca$ and Mg are never found in their free state in nature.
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Q 20[5 marks Questions]5 Marks
  1. Given below are the steps for extraction of copper from its ore. Write the reaction involved.
    1. Roasting of copper (1) sulphide.
    2. Reduction of copper (1) oxide with copper (1) sulphide.
    3. Electrolytic refining.
  2. Draw a neat and well labelled diagram for electrolytic refining of copper.
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