• Metals and Non Metals (Part II)
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Metals and Non Metals (Part II)

Description: Metals and Non Metals (Part II) Metals and Non-metals
Number of Questions: 35
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Tags: Metals and Non Metals (Part II) Metals and Non-metals
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The elements which form positive ions by losing electrons are known as ______.

  1. oxides

  2. ores

  3. metals

  4. alloys

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Correct Option: C

Which of the following metals does not react with atmosphere at all?

  1. Iron

  2. Copper

  3. Platinum

  4. Nickel

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Correct Option: D

In which of the following forms, iron is less brittle, harder, corrosion-resistant and most useful?

  1. Bauxite

  2. Cuprite

  3. Pyrolusite

  4. Steel

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Correct Option: B

Which of the following reacts directly with hydrogen to give hydrides?

  1. Cu and Ni

  2. Li and Ca

  3. Ti and V

  4. Mn and Cr

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Correct Option: D

Which of the following metals occurs in nature in the form of oxides?

  1. Copper

  2. Gold

  3. Platinum

  4. Aluminium

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Correct Option: A

Which of the following elements dissolves in water to form hydroxides known as alkalies?

  1. Li and Na

  2. Fe and Ni

  3. C and N

  4. Cl and Br

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Correct Option: A

Which of the following metals does not react with H2SO4?

  1. Au and Pt

  2. Fe and Ni

  3. Co and Cr

  4. Cr and Mn

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Correct Option: C

The branch of chemistry which deals with the method of extraction of metals from their ores and preparation of alloys is called

  1. electrochemistry

  2. nuclear chemistry

  3. gravimetry

  4. metallurgy

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Correct Option: D

Which of the following alloys is used in making of magnets?

  1. Bronze

  2. Alnico

  3. German silver

  4. Steel

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Correct Option: A

Which of the following elements forms coloured compounds?

  1. Copper

  2. Carbon

  3. Sulphur

  4. Nitrogen

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Correct Option: B

In which of the following processes, electric current is used to coat iron or steel with a layer of tin or chromium?

  1. Galvanization

  2. Electroplating

  3. Roasting

  4. Alloying

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Correct Option: D

Which of the following gas is evolved when iron reacts with dilute hydrochloric acid?

  1. Nitrogen

  2. Oxygen

  3. Hydrogen

  4. Helium

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Correct Option: C
Which of the following statements is not true about the reaction of metals and non-metals with acids?

  1. Copper reacts with sulphuric acid.

  2. Majority of non-metals show no reaction with acids.

  3. Copper shows no reaction with dilute hydrochloric acid.

  4. Sulphur reacts with nitric acid to produce sulphur dioxide.

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Correct Option: B

Which of the following metals does not replace copper from a copper sulphate solution?

  1. Potassium

  2. Aluminium

  3. Lead

  4. Silver

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Correct Option: D

Which of the following elements forms acidic oxides?

  1. Magnesium

  2. Zinc

  3. Iron

  4. Sulphur

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Correct Option: D

Which of the following non-metals is contained in compounds in the fertilizers used for the enhancement of growth of plants ?

  1. Oxygen

  2. Carbon

  3. Sulphur

  4. Nitrogen

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Correct Option: D

In which of the following processes, iron object is protected from rusting by dipping it into molten zinc?

  1. Galvanization

  2. Roasting

  3. Alloying

  4. Electrolysis

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Correct Option: A

Aluminium is used in making of aeroplanes because

  1. it has a high melting point.

  2. it does not react with atmosphere.

  3. it does not react with acids and water.

  4. it has low density as compared to other metals.

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Correct Option: D

What happens when zinc is dissolved in sulphuric acid?

  1. Nitrogen will be liberated.

  2. There will not be any reaction between zinc and sulphuric acid.

  3. Oxygen will be liberated.

  4. Zinc will replace hydrogen in the sulphuric acid to form zinc sulphate.

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Correct Option: D

Which of the following composition represents the German silver alloy?

  1. 15% Copper, 25% Zinc and 60% Nickel

  2. 25% Copper, 15% Zinc and 60% Nickel

  3. 60% Copper, 25% Zinc and 15% Nickel

  4. 30% Copper, 40% Zinc and 30% Nickel

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Correct Option: A

Which of the following reactions will take place according to the activity series of metals?

  1. MgSO4 + Cu → CuSO4 + Mg

  2. ZnSO4 + Cu → CuSO4 + Zn

  3. Fe + CuSO4 → FeSO4 + Cu

  4. Pb + ZnSO4 → PbSO4 + Zn

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Correct Option: D

Which of the following happens when metals are treated with hydrogen?

  1. Metals do not react with hydrogen.

  2. Metal hydrides are formed with the evolution of heat.

  3. Metal hydrides are formed with the absorption of heat.

  4. Metal hydroxides are formed with the evolution of heat.

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Correct Option: B

Which one of the following is the difference between the chlorides of metals and non-metals?

  1. Chlorides of metals are coloured while those of non-metals are colourless.

  2. Chlorides of metals conduct electricity while those of non-metals do not conduct electricity.

  3. Chlorides of metals are stable while those of non-metals are unstable.

  4. Metal chlorides are solid compounds while non-metal chlorides are liquid compounds.

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Correct Option: B

The corrosion of iron can be avoided by

  1. reacting it with dilute HCl

  2. reacting it with oxygen and water

  3. putting it in a solution of copper sulphate

  4. by coating iron with a layer of tin or chromium

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Correct Option: D

Which of the following elements is non-metal?

  1. Silicon

  2. Magnesium

  3. Iron

  4. Titanium

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Correct Option: A

Which of the following substances behave like metals and non-metals?

  1. Oxides

  2. Metalloids

  3. Compounds

  4. Atoms

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Correct Option: B

Which of the following is a metal?

  1. Aluminum

  2. Hydrogen

  3. Silicon

  4. Oxygen

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Correct Option: A

The process of chemical decay of metals because of the action of surrounding medium is called

  1. corrosion

  2. ductility

  3. displacement

  4. oxidation

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Correct Option: A

Smelting is a process in which metal oxides are reduced with

  1. aluminum

  2. copper

  3. oxygen

  4. carbon

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Correct Option: D

Which of the following metals is a liquid at room temperature?

  1. Mercury

  2. Zinc

  3. Magnesium

  4. Hydrogen

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Correct Option: A

Which of the following reactions is not true according to the chemical properties of metals and non–metals?

  1. 2Ca + O2 à 2CaO

  2. S + 2H2O à S(OH)2 + H2

  3. P + HCl à no reaction

  4. S + 4HNO3 à SO2 + 4NO2 + 2H2O

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Correct Option: B

Which of the following statements is correct due to which hydrogen is placed in group 1 with metal?

  1. Because hydrogen is not ductile.

  2. Because hydrogen can't be polished.

  3. Because hydrogen forms positive ion.

  4. Because hydrogen is a bad conductor of electricity.

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Correct Option: C

When impurities are present in minerals, the term used is _______.

  1. ore

  2. gangue

  3. oxides

  4. agent

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Correct Option: B
Which of the following statements is true about reaction of metals and non-metals with water?

  1. Sodium reacts slowly with water.

  2. Silver reacts violently with water.

  3. Phosphorus is very reactive towards water.

  4. Nickel does not react with water.

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Correct Option: B
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