मराठी

Complete and Balance the Following Reaction: \\Ce{Cuco3 ->Delta\ - Chemistry

Advertisements
Advertisements

प्रश्न

Complete and balance the following reaction:

\[\ce{CuCO3 ->[\Delta]}\]

एका वाक्यात उत्तर

उत्तर

\[\ce{CuCO3 ->[\Delta] CuO(s) + CO2(g)}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Chemical Changes and Reactions - Exercise 2 (C) [पृष्ठ ३२]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 2 Chemical Changes and Reactions
Exercise 2 (C) | Q 10.3 | पृष्ठ ३२

संबंधित प्रश्‍न

MULTIPLE CHOICE QUESTIONS

Tick the most appropriate answer

Which of the following is a reducing agent?

  1. oxygen
  2. chlorine
  3. hydrogen
  4. none of these

FILL IN THE BLANK

Negatively charged ions are called ..........


How is a strong electrolyte different from a weak electrolyte?


Balancing a chemical equation is based on


Explain the following reaction with one suitable example of Combination reactions .


Explain the following reaction with one suitable example of Double decomposition reaction.


Match the pairs.

a. Photosynthesis i.  Tendency to lose electrons
b. Water ii.  Reactant in combustion process
c. Sodium chloride iii.  Chemical change
d. Dissolution of salt in water  iv.  Covalent bond
e. Carbon v.  Ionic bond
f. Fluorine vi.  Physical change 
g. Magnesium vii.  Tendency to form anion

Multiple choice:

Which of the following is not a characteristic of a chemical change?


What do you observe? When

Water is added to the quick lime.


Give a chemical test to distinguish between the following gases. 

H2 and O2


What is a chemical reaction?


________ is a chemical substance which alters the speed of a chemical reaction.


Can a nickel spatula be used to stir copper sulphate solution? Justify your answer.


Water boiling into water vapour is an example of chemical change.


The water we drink is a combination of hydrogen and oxygen.


______ occurs in the absence of air and in the presence of micro-organisms such as yeast.


Iron and rust are the same substances.


We are advised to not to play with fireworks. Give reason.


What is the difference between reactants and products?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×