Question

RF
PART:B CHEMISTRY
Four alternatives are given for each of the following questions. Choose the correct
alternative and write the complete answer along with its letter of alphabet. 3x1==
14. The unsaturated carbon compound among the following is :
a) C2H6
b) C3H8
c) C4H10
d) C5H10
15. The pH of fresh milk is 6.8. When it changes to curd its pH value becomes:
a) More than 6.8
b) neutral
c) Less than 6.8
d) pH value does not change
16. The scientist who proposed the modern periodic table
a) Newland
b) Henri Mosley c) Döbereiner d) Mendeleev
Answer the following questions:
3x
17. Differentiate between roasting and calcination ?
18. Which element is having larger atomic radius in Na, Mg, Kand Ca element
19. What is the hydrogenation of oils?
Answer the following questions:
3
20. Identify the functional group present in the given compounds.
A) Propanal
B) Propanol
OR
Write the structural arrangement of the following compounds.
PL Cuclohoyane​

Answer 1

Answer:

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