superprepTNPSC Group 1

Daily Current Affairs Quiz

TNPSC Group 1 Daily Quiz, Monday, 29 June 2026

10 current-affairs MCQs · English + Tamil · ~2 min · no sign-up needed

Q1 of 10TNPSC Group 1 Prelims

Which of statements are True?

(i) Octane number increases with chain length.

(ii) Cycloalkanes have higher Octane number than straight chain alkanes.

(iii) Alkenes and aromatic hydrocarbon have higher Octane number than straight chain alkanes.

(iv) Branched chain alkanes have lower octane number than straight chain alkanes.

  1. A

    (i) and (iv)

  2. B

    (i) and (ii)

  3. C

    (ii) and (iii)

  4. D

    (i), (ii), (iii) and (iv)

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