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Chemical Compounds & their Common Names Test 139
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Chemical Compounds & their Common Names Test 139
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  • Question 1/20
    1 / -0.25
    What is the common name of Calcium Hypochlorite?
    Solutions
    The common name of Calcium Hypochlorite is bleaching powder. It’s chemical formula is Ca(ClO)2. It is the main active ingredient of commercial products called bleaching powder, chlorine powder, or chlorinated lime, used for water treatment and as a bleaching agents
  • Question 2/20
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    Teflon is the common name of
    Solutions
    The common name of Polytetrafluoroethylene is Teflon. Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. The well-known brand name of PTFE-based formulas is Teflon by Chemours.
  • Question 3/20
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    What is the common name of sodium carbonate?
    Solutions
    Washing soda is the common name of sodium carbonate while baking soda is the common name of sodium bicarbonate.
    Note :

    • Baking Soda and Washing Soda sound similar but they are definitely not the same product.

    • Both can be used to clean laundry, both can be used for household cleaning, but one can damage skin and the other can be eaten.

  • Question 4/20
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    What is the chemical formula of caustic potash?
    Solutions
    • Potassium hydroxide(KOH) is an inorganic compound which is highly basic
    • It is commonly called caustic potash
  • Question 5/20
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    Washing soda is the common name for ___________
    Solutions
    The chemical formula for washing soda is Na2CO3 and it is also known as sodium carbonate.
    Washing soda, also known as soda ash, is a chemical compound that can be used to remove stubborn stains from laundry and is an essential component in most homemade laundry detergent powders, liquid or single pod formula. Washing soda should not be confused with baking soda.
  • Question 6/20
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    The common name of sodium bicarbonate is __________.
    Solutions
    The common name of sodium bicarbonate is baking soda. It is an alkaline, colourless and odorless compound with the formula NaHCO₃ used for oven cleaning, soap, facials, scrubs and detergents and cooking purpose.
  • Question 7/20
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    Solid carbon dioxide is known as ________.
    Solutions
    Solid carbon dioxide is known as Dry ice. When Dry ice is heated, it does not convert to liquid instead it gets converted into gas. It is manufactured by compressing and cooling gaseous CO2 under high pressure to initially produce liquid CO2. This is used in hospitals and various industrial activities.
  • Question 8/20
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    The other name for Copper sulphate is
    Solutions
    Copper sulphate is known as blue vitriol or neela thotha (CuSO4).
  • Question 9/20
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    Gypsum is chemically known as ___________.
    Solutions
    Gypsum is chemically known as CaSO4. 2H2O. It finds its application as fertilizer, blackboard chalk and plaster.
  • Question 10/20
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    Which chemical compound is also known as 'Oil of Vitriol'?
    Solutions
    Dilute sulphuric acid was first discovered by the liquefaction of green vitriol which is iron sulphate having water of crystallization (FeSO4.7H2O). So, as the liquefaction took place, sulphuric acid was discovered and due to its appearance, it was called oil of vitriol.
  • Question 11/20
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    Heavy water is
    Solutions
    Heavy water is chemically deuterium oxide (D2O). It is prepared by the exhaustive electrolysis of ordinary water.
  • Question 12/20
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    Vinegar is __________ .
    Solutions
    Vinegar is a liquid consisting of about 5–20% acetic acid (CH3COOH), water, and other trace chemicals, which may include flavorings. The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria
  • Question 13/20
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    In the following question, select the related word pair from the given alternatives.

    Slaked Lime: Calcium Hydroxide:: Marble:?
    Solutions
    The chemical name of slaked lime is Calcium Hydroxide.
    Similarly, the chemical name of marble is calcium carbonate.

    Hence, option C is the correct answer.
  • Question 14/20
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    Which is the formula of potash alum?
    Solutions
    Potassium alum, potash alum, or potassium aluminum sulfate is a chemical compound: the potassium double sulfate of aluminium. Its chemical formula is KAl(SO₄)₂ and it is commonly found in its dodecahydrate form as KAl(SO₄)₂ ·12H₂O
  • Question 15/20
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    What is the chemical formula of Quick lime?
    Solutions
    calcium oxide is also called as quick lime. It is prepared on a commercial scale by heating limestone in a rotator kiln at 1070- 1270K.
  • Question 16/20
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    Chemical formula of Plaster of Paris is
    Solutions
    Plaster of Paris is made by heating the mineral gypsum. When gypsum is heated to about 150 °C it losses water and produces the powder, plaster of Paris. Calcium Sulphate hemihydrate (CaSO4.1/2H2O) is commonly known as plaster of paris. It is formed by heating gypsum.
  • Question 17/20
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    Mohr's salt is a -
    Solutions
    (NH4)2 SO4 . Fe SO4 . 6H2O
  • Question 18/20
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    Marsh gas is
    Solutions
    Marsh gas, swamp gas and bog gas are common names for biogas which forms in wetlands, whose principal component is methane with hydrogen sulfide and carbon dioxide as minor compositions, produced naturally within some geographical marshes, swamps, and bogs.
  • Question 19/20
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    The ‘laughing gas’ is
    Solutions
    Nitrous oxide (N2O) is called haas or laughing gas. It is also used as an inactive during surgery
  • Question 20/20
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    Trinitrotoluene is
    Solutions
    Trinitrotoluene is used as an explosive. This yellow coloured substance is popularly known as TNT. The explosive yield of TNT is considered to be the standard measure of bombs and other explosives. Hence option D is the right answer.
      
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