Text Solution
Verified by Experts
|
ACCURATE PUBLICATION-BOARD PAPER MARCH - 2019-QUESTIONS
- Write two differences between physical adsorption and chemical adsorpt...
05:00
|
- Define Emulsion
04:39
|
- Write Hell Volhard Zelinsky reaction.
08:05
|
- Why are the boiling points of carboxylic acids higher than the corresp...
03:36
|
- Explain why aldehydes are more reactive than ketones towards nucleophi...
06:28
|
- A face centered cubic element (atomic mass =60) has edge length of 400...
02:41
|
- Give one difference between crystalline and amorphous solids.
01:48
|
- An element having a density 11.2"g cm"^(-3) forms a fcc lattice with e...
02:51
|
- Define unit cell and paramagnetic substance.
07:27
|
- Write the following reaction: Wurtz Fittig Reaction
03:36
|
- True/False- Stems absorb water and minerals from the soil.
00:58
|
- True/False- The plant gets nitrogen from air.
03:29
|
- Why solubility of Haloalkanes in water is very low ?
04:00
|
- Give one use of freon.
02:32
|
- Why nitrogen is important for the plants?
03:13
|
- Give the mechanism of substitution nucleophilic bimolecular, SN^2 reac...
03:55
|
- Define Optical activity.
05:11
|
- Why SF6 is known but SH6 is not known ?
06:08
|
- From HF and Hl which is more acidic and why ?
03:31
|
- Give preparation of XeF6 and XeOF2.
02:12
|