Self Studies
Self Studies
Self Studies
Self Studies
Selfstudy
Selfstudy

Chemical Reactions and Equations Test - 4

Result Self Studies

Chemical Reactions and Equations Test - 4
  • Score

    -

    out of -
  • Rank

    -

    out of -
TIME Taken - -
Self Studies

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Self Studies Self Studies
Weekly Quiz Competition
  • Question 1
    1 / -0

    In the equation 2CO + O2 → 2CO2 
    The product is:

    Solution

    In a chemical equation, products are always written on the right hand side of the arrow.

     

  • Question 2
    1 / -0

    The preparation of water from hydrogen and oxygen gas is accompanied by

    Solution

    Preparation of water from hydrogen and oxygen involves a change in state.

    2H2(g) + O2(g) → 2H2O(l)

     

  • Question 3
    1 / -0

    The black coating on silver is due to

    Solution

    Silver undergoes aerial oxidation and corrodes forming a black coating.

     

  • Question 4
    1 / -0

    Out of the following reactions, which is an exothermic reaction? I. CH4 + 2O2 → CO2 + 2H2O + 58 kJ II. N2 + O2  + 180.5kJ → 2NO

    Solution

    In Exothermic reactions, heat is evolved which is indicated as '+ Heat' on the product side.

     

  • Question 5
    1 / -0

    Which of the following reaction is an example of a displacement reaction involving non-metals?

    Solution

    Chlorine being a non metal displaces Bromine (a non metal) from NaBr.

     

  • Question 6
    1 / -0

    The reactions in which precipitate is formed are known as

    Solution

    Precipitation reactions involve the formation of a precipitate.

     

  • Question 7
    1 / -0

    A student uses lime water to test the gas evolved as a result of action of dilute HCl on solid sodium carbonate. The chemical compound present in lime water is

    Solution

    Lime water is calcium hydroxide solution.

     

  • Question 8
    1 / -0

    An oxidizing agent is a substance which a. loses oxygen b. gains hydrogen c. gains oxygen

    Solution

    A substance which loses oxygen or gains hydrogen is known as an oxidizing agent.

     

  • Question 9
    1 / -0

    Which of the following metals comes above zinc in reactivity series?

    Solution

    The other metals are less reactive than zinc.

     

  • Question 10
    1 / -0

    Which metallic spoon can be used to stir lead nitrate solution?

    Solution

    Silver is less reactive than lead, so there will be no displacement reaction.

     

Self Studies
User
Question Analysis

  • Correct -

  • Wrong -

  • Skipped -

My Perfomance
  • Score

    -

    out of -
  • Rank

    -

    out of -
Re-Attempt Weekly Quiz Competition
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now