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Jaiyush19
Jaiyush19
@jaiyush19
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Joined: Sep 10, 2021
Last seen: Jul 13, 2023
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Topics: 2159 / Replies: 16
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Topic
A neutral organic compound is warmed with some ethanoic acid and a little of cone. H2SO4. Vapours having sweet smell (fruity smell) are evolved. What type of functional group is present in this organic compound? The structural formula of an ester.
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 243
Topic
Consider the following organic compounds: HCHO, C2H5OH, C2H6, CH3COOH, C2H5Cl Choose two compounds which can react in the presence of cone. H2SO4 to form an ester.
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 304
Topic
A neutral organic compound X of molecular formula C2H6O on oxidation with acidified potassium dichromate gives an acidic compound Y. Compound X reacts with Y on warming in the presence of cone. H2SO4 to give a sweet smelling substance Z. What are X, ...
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 124
Topic
(a) What is soap? Name one soap. (b) Describe the structure of a soap molecule with the help of a diagram. (c) Explain the cleansing action of soap. Draw diagrams to illustrate your answer.
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 326
Topic
In a dihybrid cross AABB × aabb, F2 progeny of AABB, AABb, AaBB and AaBb occurs in the ratio of
4 years ago
Forum
Biology
Replies: 0
Views: 131
Topic
Sex is determined in human beings (1) 40 days after fertilization (2) by ovum (3) seventh to eight week when genitals differentiate in foetus
4 years ago
Forum
Biology
Replies: 0
Views: 130
Topic
Which crop variety is not due to induced mutations?
4 years ago
Forum
Biology
Replies: 0
Views: 250
Topic
Haploids are preferred over diploids for mutation studies because in haploids
4 years ago
Forum
Biology
Replies: 0
Views: 205
Topic
Two dominant nonallelic genes are 50 map units apart. The linkage is
4 years ago
Forum
Biology
Replies: 0
Views: 172
Topic
Of a normal couple, half the sons are haemophilic while half the daughters are carriers. The gene is located on
4 years ago
Forum
Biology
Replies: 0
Views: 156
Topic
Out of 8 ascospores formed in Neurospora the arrangement is 2a: 4a: 2a showing
4 years ago
Forum
Biology
Replies: 0
Views: 317
Topic
When a certain character is inherited only through female parent, it probably represents
4 years ago
Forum
Biology
Replies: 0
Views: 233
Topic
Mendel studied inheritance of seven pairs of traits in Pea which can have 21 possible combinations. If you are told that in one of these combinations, independent assortment is not observed in later studies, your reaction will be
4 years ago
Forum
Biology
Replies: 0
Views: 161
Topic
A polygenic inheritance in human beings is
4 years ago
Forum
Biology
Replies: 0
Views: 317
Topic
Nucleosome core is made of (1) H1, H2A, H2B, H3 and H4 (2) H1, H2A, H2B and H3
4 years ago
Forum
Biology
Replies: 0
Views: 74
Topic
An allele is dominant if it is expressed in
4 years ago
Forum
Biology
Replies: 0
Views: 142
Topic
A child of O-group has B-group father. The genotype of father will be
4 years ago
Forum
Biology
Replies: 0
Views: 142
Topic
In human beings 45 chromosomes/single X/ XO abnormality causes
4 years ago
Forum
Biology
Replies: 0
Views: 268
Topic
Down's syndrome is due to (1) sex-linked inheritance (2) crossing over
4 years ago
Forum
Biology
Replies: 0
Views: 214
Topic
A colour blind mother and normal father would have
4 years ago
Forum
Biology
Replies: 0
Views: 113
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