Science Of Carbon Compound

CBSE TEST PAPER-03 CLASS - X (Carbon and its merge) 1. The odour of acetic dose resembles that of (a) Rose (b) Burning ductile (c) Vinegar (d) Kerosene (1) 2. Diamond is non a good mete outor of electrical energy because (a) is very fleshy (b) Its expression is very compact (c) It is not soluble in irrigate (d) It has no free electrons to conduct electric current. (1) 3. Alcohols flush bathroom be produced by the hydration of (a) Alkenes (b) alkynes (c) alkenes (d) hots (1) 4. The IUPAC hear of CH3CHO is (a) Acetaldehyde (b) peealdehyde (c) methyl group radical formaldehyde (d) objective spirits (1) 5. IUPAC name of first subdivision of homological serial of ketones is (a) Ethanone (b) methanone (c) acetone (d) Butanone (1) Material downloaded from http://myCBSEguide.com and http://onlineteachers.co.in Portal for CBSE Notes, streak Papers, Sample Papers, Tips and Tricks 6. What be the properties of carbon paper which campaign to the huge speak to of carbon compounds we see well-nigh us? (2) 7. lay down the out of bounds compound (a) CH3-CH2-Br (b) CH3 ? CH2 ? CH2 ? C ? CH (2) 8. 9. wherefore is conversion of fermentation inebriant into ethanoic acid an oxidation reply? A confection of acetylene and group O is utilise for welding. Can you justify wherefore a mixture of alkyne and air is not-used? (2) (2) 10.

What is a homologous serial publication? distinguish any two characteristics of homologous series? (3) 11. Give the structural aspecttions for (i) methyl group Ethanote (ii) Ethyl ethanoate spell out two uses of Ester? (3) 12. What are enzymes? Name the enzymes required for the fermentation of slit cane to ethanol? (3) 13. The formula of an ester is C3H7COOC2H5 write the formulae of the acid and inebriant from which the ester is prepared. (3) 14. An organic compound A is widely used as a preservative in pickles and has a molecular formula C2H4O2. This compound reacts with ethanol to form a sweet olfactory modality compound B. (a) come across the compound A. (b) Write the chemical equation for...If you want to lead off a rich essay, order it on our website: Orderessay

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