ALLOY MCQs | Everyday Science Past Papers MCQs

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Everyday Science Past Papers MCQs – Everyday Science MCQs

ALLOY MCQs

Permanent hardness of water cannot removed by

  1. Adding caustic soda
  2. Distillation
  3. Addind soda
  4. Boiling

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Heavy water is the oxide of

  1. Tritium
  2. Pretium
  3. Deuterium
  4. none

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Elements are classified into ___ classes?

  1. 8
  2. 4
  3. 3
  4. 2

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Earthquake waves ……. in velocity upon entering in the mantle.

  1. Decreases
  2. Increase
  3. Remained unchanged
  4. Suspended

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How many main types of steel?

  1. One
  2. Two
  3. Three
  4. Four

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What is stainless steel?

  1. Alloy
  2. Martensitic
  3. Iron, Chromium
  4. None of these

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Stainless steel is an alloy of______?

  1. Iron and Manganese
  2. Iron, Chromium and Zinc
  3. Iron, Carbon and Nickel
  4. Iron, Chromium and Nickel

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Varnish is a transparent or semi transparent solution of resinous substances in

  1. Alcohol
  2. Linseed
  3. Turpentine
  4. All of the above

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Turpentine oil is used in paints as

  1. Thinner
  2. Vehicle
  3. Base
  4. Driver

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French polish is

  1. Oil paint
  2. Distemper
  3. Spirit polish
  4. None of the above

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The capability of a soil mass of full width and depth to transmit water is known

  1. Porosity
  2. Permeability
  3. Transmissibility
  4. None the above

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The sludge does not contain waste water from

  1. Bath rooms
  2. Wash basins
  3. Kitchen sinks
  4. Toilets

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Plaster of Paris is produced by heating

  1. Gipsim
  2. Gryphiat
  3. Zink
  4. Lead

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1st period of documents in periodic table consist of only

  1. Hydrogen
  2. Hydrogen & oxygen
  3. Hydrogen and helium
  4. Hydrogen and nitrogen

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The initial setting time of Hydraulic Lime is

  1. 30 minutes
  2. 60 minutes
  3. 90 minutes
  4. 120 minutes

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which one of the following is a Metal?

  1. Gypsum
  2. Mercury
  3. Limestone
  4. none

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After persistent decay, radium would be finally changes into:

  1. Steel
  2. Brass
  3. Lead
  4. Hydrogen

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The ‘IC’ chip, used in computers, is made of

  1. Chomium
  2. Iron Oxide
  3. Silica
  4. Silicon
  5. None of these

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Which of following element is essential for animals but not in plants?

  1. Potassium
  2. Phosphorus
  3. Calcium
  4. Iodine
  5. None

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Boiling of egg is a change which is

  1. Chemical
  2. Physical
  3. Both
  4. None

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Rusting of Iron involves __?

  1. Reduction
  2. Decomposition
  3. Displacement
  4. Oxidation

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The oxidation state of Nitrogen in HNO3 is:

  1. -5
  2. -5
  3. -6
  4. +5

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Sodium by carbonate is used as:

  1. Sodium
  2. Backing soda
  3. Sugar industry
  4. None

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The symbol of sodium is :

  1. Na
  2. Sa
  3. Pa
  4. Ca
  5. N

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Fluorescent tubes and thermometer are made of?

  1. Mercury
  2. Hydrogen
  3. Nitrogen
  4. Oxygen

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Aluminum composition on Earth.

  1. 2.59%
  2. 1.59%
  3. 3.59%
  4. None

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Steel is an alloy of

  1. Zink and Tin
  2. Zink and Copper
  3. Coper and Tin
  4. All of these

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What is the chemical name of bleaching powder?

  1. Calcium hypochlorite
  2. Sodium chloride
  3. Both
  4. None

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How many carats is the best gold?

  1. 18 Carat
  2. 20 Carat
  3. 24 Carat
  4. 28 Carat

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The term Aqua means:

  1. Water
  2. Marsh
  3. Alloy
  4. None

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Glass is made of the mixture of_________?

  1. Sand and quartz
  2. Sand and silicates
  3. Quartz and mica
  4. Salt and quartz
  5. Sand and salt

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