1. The non-metal which is liquid at room temperature is:a) Mercuryb) Brominec) Carbond) Helium Answer (b)BromineExplanation: Bromine is the only non-metal which exists as a liquid at room temperature. 2. The number of protons in an atom of an element A is 19 then, the number of electron in its ion A+ is:a) 18b) 19c) 20d) 21 Answer … Read more
The text book of Lakhmir Singh And Manjit Kaur for Class 10 Biology gives the students a detailed picture about each and every chapter. This is the best book for your class 10 science preparation. We are providing you the detailed solutions for chapter 1 Life processes for free. Don’t forget to check out the links for other chapters. … Read more
Download free printable assignments and worksheets of class 10 Science. Free PDF Download- Best collection of notes, important questions , sample papers and NCERT Solution for CBSE Class 10 Science. Below you will find the home work assignment for CBSE Class 10 Electricity. For more exclusive study material for science please click here
(a) (i) and (iii) (b) (ii) and (iv)(c) (i) and (ii) (d) (iii) and (iv) 47. In the below given reaction, alkaline KMnO4 acts as (a) reducing agent(b) oxidising agent(c) catalyst(d) dehydrating agent 48. Structural formula of ethyne is 50. Which of the following is the correct representation of electron dot structure of nitrogen? 57. … Read more
