Skip to main content

Popular posts from this blog

Organic Chemistry | Previous Year Questions | Class 10 | ICSE

  ICSE Class 10 Organic Chemistry Previous Year Questions   Q1. Name the following/Give one word or phrase for the following: (i)            A gaseous hydrocarbon commonly used for welding purposes. [2011][1] Show Answer Ans. Acetylene (ii)          A reaction in which hydrogen of an alkane is replaced by a halogen. [2013][1] ...
1 comment
Read more

Hydrogen Chloride | Previous Year Questions | ICSE Chemistry | Class 10

  Hydrogen Chloride Q1. Choose the correct answer from the options given below: (i)             Hydrogen chloride gas being highly soluble in water is dried by: [1][2011] a.     Anhydrous calcium chloride b.     Phosphorus pentoxide c.     Quick lime d.     Concentrated sulphuric acid Show Answer ...
Post a Comment
Read more

Ammonia | Previous Year Questions | Class 10 | ICSE Chemistry

  Ammonia Q1. Choose the correct option. (i)   An aqueous solution of ammonia is: [1][2022] a.     Neutral b.     Acidic c.     Basic d.     Amphoteric Show Answer Ans. c. Basic (ii)   The catalyst used in the Haber’s Process is: [1][Specimen 2023] a.     Molybdenum b.     Platinum c.     Nickel d.     Finely divided iron Show Answer Ans. d. Finely divided iron (iii) Nitrogen gas can be obtained by heating: [2013][1] a.   Ammonium nitrate b.   Ammonium nitrite c.   Magnesium nitride d.   Ammonium chloride ...
Post a Comment
Read more