Trending ▼   ResFinder  

ICSE Prelims 2018 : Chemistry (St. Mary's School ICSE, Mazagaon, Mumbai)

7 pages, 81 questions, 81 questions with responses, 210 total responses,    0    0
Sean Dsouza
  
+Fave Message
 Home > seand >   F Also featured on: School Page icse

Formatting page ...

ST. MARY S SCHOOL (ICSE), MAZAGAON , MUMBAI. CLASS:10 PRELIM EXAMS DATE:05/01/2018 CHEMISTRY MARKS:80 TIME:2 HRS SECTION I ( 40 MARKS ) Attempt all questions from this section. Q1. a. i) A: B: Choose the correct answer from the options given below : C: D: Which of the following is generally true ? Atomic size increases from left to right across a period. Number of valence electrons decreases from left to right across a period. Electron affinity increases down a group. Ionisation potential decreases down a group. ii) A: B: C: D: Conversion of bromoethane to ethene is an example of : Dehydrogenation Dehydrohalogenation Decarboxylation Dehydration iii) A: B: C: D: Which of the following acid does not form an acid salt ? H3PO4 CH3COOH H2SO4 H2SO3 iv) Concentrated sulphuric acid is used as a reactant in the preparation of HCl gas as it is a : Strong oxidizing agent Drying agent Dehydrating agent Non volatile acid. A: B: C: D: (5)

Formatting page ...

Top Contributors
to this ResPaper
(answers/comments)


Curry 30

(76)

Sparsh Agarwal

(57)

Siddhant Joshi

(27)

Mb Subrmani37

(7)

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

 

  Print intermediate debugging step

Show debugging info


 

 

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

 

seand chat