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GUJCET 2013 Biology Question paper with answer key pdf conducted on May 09, 2013 is available for download. The exam was successfully organized by GSEB. The question paper comprised a total of 80 questions.
GUJCET 2013 Biology Question Paper with Answer Key PDFs in Gujarati
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GUJCET Questions
1. The ratio of halflife and average life for a radioactive sample is_____.
The ratio of halflife and average life for a radioactive sample is_____.
- 2.303
- log(2)
- ln(2)
- e2
2. Which of the following are peroxo acids of sulpher?
Which of the following are peroxo acids of sulpher?
- H2SO5 and H2S2O7
- H2SO5 and H2S2O8
- H2S2O7 and H2S2O8
- H2S2O6 and H2S2O7
3. polyethylene-glycol is used in the preparation of which types of detergent?
polyethylene-glycol is used in the preparation of which types of detergent?
- Anionic detergent
- Non-ionic detergent
- Cationic detergent
- Soap
4. What is the correct order of acidity of compounds I, II and III?
i. 4-Nitrobenzoic acid
ii. 4-Methoxy Benzoic acid
iii. Benzoic acid
What is the correct order of acidity of compounds I, II and III?
i. 4-Nitrobenzoic acid
ii. 4-Methoxy Benzoic acid
iii. Benzoic acid
i. 4-Nitrobenzoic acid
ii. 4-Methoxy Benzoic acid
iii. Benzoic acid
- I>III>II
- I>II>III
- I<II<III
- I<III<II
5. When alkaline KMnO4 is treated with KI, the Iodide ion is oxidized to________.
When alkaline KMnO4 is treated with KI, the Iodide ion is oxidized to________.
- IO-
- I2
- IO3-
- IO4-
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