
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

Class 10 Exam 2018 : Chemistry

5 pages, 6 questions, 0 questions with responses, 0 total responses,

Khushi Panigrahi
Ambassador School, Dubai

+Fave Message

Profile Timeline Uploads

Home > khushi7 >

Formatting page ...

Paper: ICSE X- Chemistry C - Sa ample Paper 3 Total mark ks of the pape er: 80 Total time of the paper: 1:30 hrs Answer to o this paper mu ust be written on o the paper prrovided separa tely. You will not n be allowed to write during the first 15 min nutes. This time is to be spent in reading the question paper. The time given at the he ead of paper is the time allow wed for writing t he answers. This ques stion paper is divided d into two o sections. Section I is of 40 marks and compulso ory; contains on ne question witth parts (a) to (g g); all parts are e to be answere ed. Section III is also of 40 marks; m contains s six questions numbered 2 to o 7. You are to answer any fo our of these que estions. All workin ng, including ro ough work, shou uld be done on n the same she eet as the rest o of the answer. Questions s: 1 ] a. b. Name e the following:-(i) An organic gas which forms red precipitate with Fehling's sol ution .. (ii) A gas g having rotten egg smell (iii) An n insoluble salt obtained when n sulphur dioxid de is passed th hrough lime wa ater. (iv) Es ssential produc ct formed when n hydrogen sulp phide solution rreacts with an oxidizing agen nt. (v) An n alloy which ex xpands on coolling. (vi) Tw wo metallic oxid des reduced by y Aluminium. (vii) A gas which has s burning sulph hur like smell. (viii) A gas that gives s white precipittate with silver nitrate solution n. (ix) Is a greenish yellow coloured gas. g (x) Me etal which existts in liquid state e at room temp perature. [Ma arks:1 0] Write balanced chem mical equations s for the following:(i) Dilu ute sulphuric ac cid is added to lead nitrate so olution. (ii) De ehydration of etthyl alcohol by conc.H2SO4 [Ma arks:2] c. [Ma arks:5] Tran ns Web Educcational Servvices Pvt. Ltd d B 14 47,1st Floor, Sec-6, NOID DA, UP-2013001 Website:w www.askiitians..com Email. iinfo@askiitianns.com Tel:0120--4616500 Ext - 204

Formatting page ...

khushi7 chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: