NAT I Engineering Chemistry With Answers

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NAT I Engineering Chemistry

Sr. # Questions Answers Choice
1 Wholer prepared ures from Ammonia NH<sub>4</sub>CNO NH<sub>3</sub> uric acid
2 Vital force theory was rejected by Berzelius Kolbe Wholer Lavoiser<div><br></div>
3 The rotation of two carbon atoms joined by double bond would happened only if Pi bond is broken Sigma bond is broken Both bonds are broken None of above
4 Which of the following has linear shape? SP SP<sup>2</sup> SP<sup>3</sup> None of the above
5 Hybridization explain the------- of orbitals Type of Bonding Shapes Shape and Type of bonding None of above
6 1-Chloropropane has two isomers It is an example of Chain isomerism Position isomerism Functional group isomerism Metamerism
7 In which molecule carbon atom is sp2 hybridized CH<sub>4</sub> C<sub>2</sub>H<sub>4</sub> C<sub>2</sub>H<sub>2</sub> None of the above
8 Sodium thiosulfate is used in photography because of its <span style="font-size: 14.44444465637207px;">Oxidizing behaviour</span> <span style="font-size: 14.44444465637207px;">Reducing behaviour</span> <span style="font-size: 14.44444465637207px;">Complexing behaviour</span> <span style="font-size: 14.44444465637207px;">Photochemical behaviour</span>
9 In the manufacture of iron from haematite,limestone is added to act as. Flux A reducing Slag An oxidizing agent.
10 Rusting of iron is catalysed by Fe O<sub>2</sub> Zn H<sup>+</sup>
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