Q42. Among the following the correct statement is A. Between NH3 and PH3, NH3 is a better electron donor because the lon

Q44. PH3 is a better reducing agent than NH3 because: (a) PH3 can give its lone pair of electron easily (b) Bond dissoci

Q45. NH3 is a stronger base than PH3 (a) Phosphorus is smaller in size than nitrogen (b) Nitrogen is smaller in size tha

Q39. Out of given options choose a word that can be used as an adjective as well as an adverb.

Select the one which is different from the other three alternatives: 1. 7, 56, 2. 13, 78, 3. 9, 64, 4. 11, 132.

Profit earned by selling an article for Rs.1060 is 20% more than the loss incurred by selling the article for Rs.950. At

Iceland is an example of ___________

Match List-I with List-II List-I (Expressions): (A) Find x (B) Evaluate: , n = 6, r = 2 (C) If , find . (D) List-II (V

In an examination which had 200 questions, students score 4 marks for every correct answer and lose 1 mark for every wro