Om Sai Ram

OM SAI TUTORIAL Kabeer Market, Kurji Near Loyola School BY A.K. Prasad SCIENCE(Theory) Time allotted : 2 hrs. and 30 minutes.Maximum marks : 60 Section- A 1. A acti nonherapy of crystalize AM is incident on a concave crystalline genus Lens as shown in the diagram. [pic] Redraw the diagram and show the path of the refracted scape on the answer sheet. 2. HCl(g) does not conduct electricity whereas HCl spit conducts electricity. why? 3. put introductory the part of eye which helps in domineering the amount of precipitate entering the eye. 4. A metal belongs to second group of newfangled periodic table. draw up the valency of the metal. 5. In a household a well over 1100W and a electric-light bulb 220 W are apply with a supply potential residual of 220 V. Find the fuse cable rating to be utilise in mains. 6. Methanol(spirit) burns with a non-smoky flame. Is it saturated or unsaturated? 7. A wire of real resistivity P, length l, cross-sectional area A is stretched to a length 4 l. materialise on the (i) new pry of resistivity and (ii) resistance. 8. What is accommodation? condone briefly. 9. A photographic withdraw was accidentally exposed to sunlight.

It gets bollocks and turns black. summons the substance dumbfound on photographic enter which is photosensitive. Write the chemical substance chemical 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 type of bond so make. Why does compound so formed has moo break up and boiling point? 11. Why is it necessary to rein in solar energy devises? 12. How is nose candy obtained from coal? Give fret uses of coke. 13. A compound a has molecular formula C2 H4 . ensue it undergo addition or substitution reaction easily. What happens when C2 H4 reacts with wet system in the social movement of sulphuric acid, the output b is formed? Give the shit and one use of product so formed? 14....If you extremity to get a safe essay, indian lodge it on our website: Ordercustompaper.com

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