PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
Answer the following questions:
 
1. Write the balanced chemical equation for Mg and hydrochloric acid.
Name the product obtained, identify the type of reaction.
 
 
2. Translate the following statements into chemical equations and then balance them:

a. Hydrogen gas combines with nitrogen to form ammonia.
b. Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
c. Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate. State the two types in which this reaction can be classified.
d. Potassium reacts with water to give potassium hydroxide and hydrogen gas.
 
 
3. When a metal X is added to salt solution of metal Y, the following chemical reaction takes place:

Metal X + Salt solution of Y → Salt solution of X + Metal Y

Mention the inference you draw regarding the reactivity of metal X and Y and also the type of reaction. State the reason of your conclusions.
 
   
 
Important!
Check the answers with the help of your teacher.