Please wait...

Chemistry Test 100
Menu grid icon
Result Result point icon
Chemistry Test 100
  • Goals icon

    /

    Score
  • Trophy icon

    -

    Rank
White alarm icon Time Taken: -
Result frame illustration
  • Question 1/10
    1 / -0
    Which of the following range of Air Pollutant Index is considered as hazardous ?
    Solutions
    An Air Quality Index(AQI) of 301-500 is considered as hazardous to human health. It denotes the severely polluted state of air. AQI values over 300 trigger health warnings of emergency conditions. The entire population is even more likely to be affected by serious health effects.
  • Question 2/10
    1 / -0
    Bleaching liquors are inorganic pollutants produced mainly by which Industry/ Industries?
    I. Paper and Pulp Industry
    II. Iron and Steel Industry
    III. Mining Industry
    Solutions
    Bleaching liquors are inorganic pollutants produced mainly by paper and pulp industry. Bleaching liquors are liquids or chemicals used to bleach paper pulp and clothes.
    Hence, option A is the correct answer.
  • Question 3/10
    1 / -0
    Atomic Number is denoted by which alphabet?
    Solutions
    Atomic number is denoted by Z while atomic weight is denoted by A.
    Hence, Option C is the correct answer.
  • Question 4/10
    1 / -0
    How are ‘Cations’ formed?
    Solutions
    Cations are formed by removal of electrons and anions are formed by addition of electron.
    Hence, Option B is the correct answer.
  • Question 5/10
    1 / -0
    What is the chemical symbol of ‘Iron’?
    Solutions

    Hence, Option B is the correct answer.
  • Question 6/10
    1 / -0
    Which of the following is most reactive in nature?
    Solutions
    Potassium is the most reactive in nature from the above given elements as it has only one valence electron and easily lose this electron to react with other elements. Hence, option A is the correct answer.
  • Question 7/10
    1 / -0
    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 8/10
    1 / -0
    Hard water and soft water can be distinguished by using?
    Solutions
    •  Hard water is any water containing an appreciable quantity of dissolved minerals.

    • Soap is less effective in hard water because it reacts to form the calcium or magnesium salt of the organic acid of the soap.
  • Question 9/10
    1 / -0
    What is the chemical name of vinegar?
    Solutions
    The chemical name of vinegar is acetic acid. Its chemical formula is CH3COOH
  • Question 10/10
    1 / -0
    At what temperature water convert to water vapour?
    Solutions
    The water convert to water vapour at 100o C or 373 Kelvin.
    Hence, option C is the correct answer.
Close button icon
User Profile
-

Correct (-)

Wrong (-)

Skipped (-)

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Mockers logo Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Arrow pointer icon
Click on Allow to receive notifications
Notification bell icon ×
Open Now