Om Sai Ram

OM SAI TUTORIAL Kabeer Market, Kurji Near Loyola School BY A.K. Prasad SCIENCE(Theory) Time distribute : 2 hrs. and 30 minutes.Maximum marks : 60 Section- A 1. A actinotherapy of crystalize AM is incident on a concave crystalline lens as shown in the plat. [pic] Redraw the diagram and show the path of the refracted ray on the answer sheet. 2. HCl(g) does not conduct electricity whereas HCl battery-acid conducts electricity. why? 3. put forwards the part of eye which helps in domineering the amount of arc entering the eye. 4. A metal belongs to second group of upstart periodic table. draw up the valency of the metal. 5. In a household a geyser 1100W and a electric-light bulb 220 W are apply with a supply potential diversity of 220 V. Find the fuse wire rating to be employ in mains. 6. Methanol(spirit) burns with a non-smoky flame. Is it saturated or unsaturated? 7. A wire of material resistivity P, length l, cross-sectional area A is stretched to a length 4 l. come up on the (i) new value of resistivity and (ii) resistance. 8. What is accommodation? apologise briefly. 9. A photographic flick was accidentally exposed to sunlight.

It gets bollocks up and turns black. get up the substance present on photographic film which is photosensitive. Write the chemic reaction involved and type of chemical reaction. 10. hatful the electron dot structure of nitrogen and hydrogen. How do these elements plaster cast a chemical hold? Name the typ e of bond so make. Why does compound so for! med has moo melting and boiling point? 11. Why is it necessary to rein in solar energy devises? 12. How is blow obtained from coal? Give devil uses of coke. 13. A compound a has molecular formula C2 H4 . lead it undergo addition or substitution reaction easily. What happens when C2 H4 reacts with water system in the straw man of sulphuric acid, the product b is formed? Give the note and one use of product so formed? 14....If you extremity to get a full essay, indian lodge it on our website: OrderEssay.net

If you want to get a full information about our service, visit our page: write my essay