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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
Explain the process of preparation of soap in laboratory. (b) Why is common salt (sodium chloride) added during the preparation of soap? (c) Why is soap not suitable for washing clothes when the water is hard?
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 316
Topic
What happens when ethanol is oxidised with alkaline potassium permanganate (or acidified potassium dichromate)? Write the equation of the reaction involved. (b) Choose those compounds from the following which can turn blue litmus solution red: HC...
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 220
Topic
What happens when ethanol reacts with ethanoic acid in the presence of a little of concentrated sulphuric acid? Write equation of the reaction involved. (b) What happens when ethanol is heated with concentrated sulphuric acid at 170°C?
4 years ago
Forum
Carbon and Its Compounds
Replies: 0
Views: 166
Topic
When heated, ammonium carbamate decomposes as follows: NH4COONH2(s) ⇌ 2NH3(g) + CO2(g) At a certain temperature, the equilibrium pressure of the system is 0.318 atm. KP for the reaction is:
4 years ago
Forum
Equilibrium
Replies: 0
Views: 133
Topic
The equilibrium constant for the reaction W + X ⇌ Y + Z is 9. If one mole of each of w and x are mixed and there is no change in volume, the number of moles of y formed is
4 years ago
Forum
Equilibrium
Replies: 0
Views: 126
Topic
The signals for parturition originate from
4 years ago
Forum
Biology
Replies: 0
Views: 114
Topic
Foetal ejection reflex in human female is induced by
4 years ago
Forum
Biology
Replies: 0
Views: 267
Topic
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testes is
4 years ago
Forum
Biology
Replies: 0
Views: 187
Topic
Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
4 years ago
Forum
Biology
Replies: 0
Views: 236
Topic
A change in the amount of yolk and its distribution in the egg will affect
4 years ago
Forum
Biology
Replies: 0
Views: 216
Topic
In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube?
4 years ago
Forum
Biology
Replies: 0
Views: 211
Topic
Which extra-embryonic membrane in humans prevents desiccation of the embryo inside the uterus?
4 years ago
Forum
Biology
Replies: 0
Views: 94
Topic
Which one of the following statements is incorrect about menstruation? (1) At menopause in the female, there is especially abrupt increase in gonadotropic hormones
4 years ago
Forum
Biology
Replies: 0
Views: 214
Topic
Which one of the following is the correct matching of the events occurring during menstrual cycle?
4 years ago
Forum
Biology
Replies: 0
Views: 135
Topic
Seminal plasma in humans is rich in (1) fructose and certain enzymes but poor in calcium (2) fructose and calcium but has no enzymes
4 years ago
Forum
Biology
Replies: 0
Views: 227
Topic
If mammalian ovum fails to get fertilized, which one of the following is unlikely?
4 years ago
Forum
Biology
Replies: 0
Views: 195
Topic
Grey crescent is the area (1) at the animal pole (2) at the point of entry of sperm into ovum
4 years ago
Forum
Biology
Replies: 0
Views: 185
Topic
Withdrawal of which of the following hormones is the immediate cause of menstruation?
4 years ago
Forum
Biology
Replies: 0
Views: 179
Topic
In the human female, menstruation can be deferred by the administration of
4 years ago
Forum
Biology
Replies: 0
Views: 240
Topic
In humans, at the end of the first meiotic division, the male germ cells differentiate into the
4 years ago
Forum
Biology
Replies: 0
Views: 195
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