Trending ▼   ResFinder  

Class 10 Notes 2016 : Chemistry (Sharada Public School, Balrampur)

2 pages, 0 questions, 0 questions with responses, 0 total responses,    0    0
Sagar Pathak
Sharada Public School, Balrampur
10th
+Fave Message
ProfileTimelineUploads
 Home > rajendrasagar >   F Also featured on: School Page

Formatting page ...

http://www.cbseguess.com/ Sample Paper Subject: Chemistry Class 10th Time:- 2Hr Max Marks:- 35 Min Marks:- 28 Science Test Qus1 Qus2 Name the allotropes of carbon? Explain any one? (3) An element belonging to group 14 to the periodic table has two common allotropes A and B. A is very hard and a non-conductor of electricity while B is soft to touch and a good conductor of electricity. Identify the element? (2) Qus3 (a) Give the general formulae of alkynes . Identify the following: - CH4, C2H6, C2H2, C3H4, C2H4? (b) Give the molecular formulae of alkane, alkene, and alkynes? (4) Qus4 Name the following compound? (2) HHHH H-C-C-C-C-C= C-H HHHH Qus5 Calculate the molecular formulae? (4) (a) CH3OH and C2H5OH (b) C2H5OH and C3H7OH Qus6 Differentiate between soaps and detergent? (3) Qus7 The electron configuration of an element is 2, 8, and 7. (2) (a) Find the atomic number. (b) To which element in the following it would be chemically similar. N(7), F(9), P(15), A(18) Qus8 By considering their position in the periodic table, which one of the following elements would you expect to have the maximum metallic character? (2) Qus9 Elements X forms a chloride with the formulae XCl2 which is a solid at high melting point. X would most likely be in the same group? (2) (a) Na (b) Mg (c) Al (d) Si www.cbseguess.com Other Educational Portals www.icseguess.com | www.ignouguess.com | www.dulife.com | www.magicsense.com | www.niosguess.com | www.iitguess.com

Formatting page ...

 

  Print intermediate debugging step

Show debugging info


 

 

© 2010 - 2024 ResPaper. Terms of ServiceContact Us Advertise with us

 

rajendrasagar chat