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Shilpi98
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Joined: Dec 29, 2021
Last seen: Mar 10, 2022
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Topics: 2165 / Replies: 0
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Topic
The resistance of a conductivity cell with cell constant 1.14 cm^-1, containing 0.001 M KCl at 298 K is 1500Ω.
4 years ago
Forum
Chemistry
Replies: 0
Views: 148
Topic
40 g of glucose (Molar mass = 180) is mixed with 200 mL of water. The freezing point of solution is _____ K.
4 years ago
Forum
Chemistry
Replies: 0
Views: 79
Topic
100 g of propane is completely reacted with 1000 g of oxygen. The mole fraction of carbon dioxide in the resulting mixture is x × 10^-2. The value of x is _______.
4 years ago
Forum
Chemistry
Replies: 0
Views: 83
Topic
Two flasks I and II shown below are connected by a valve of negligible volume. When the valve is opened, the final pressure of the system in bar is x × 10^-2.
4 years ago
Forum
Chemistry
Replies: 0
Views: 294
Topic
The number of optical isomers possible for [Cr(C2O4)3]^3- is ______.
4 years ago
Forum
Chemistry
Replies: 0
Views: 194
Topic
The first order rate constant for the decomposition of CaCO3 at 700 K is 6.36 × 10^-3 s^-1 and activation energy is 209 kJ mol^-1.
4 years ago
Forum
Chemistry
Replies: 0
Views: 150
Topic
The correct structures of A and B formed in the following reactions are
4 years ago
Forum
Chemistry
Replies: 0
Views: 179
Topic
Which one of the following is formed (mainly) when red phosphorus is heated in a sealed tube at 803 K?
4 years ago
Forum
Chemistry
Replies: 0
Views: 163
Topic
Match List-I with List-II: List-I - List-II (Name of ore/mineral) - (Chemical formula) (a) Calamine → (i) Zns (b) Malachite → (ii) FeCO3 (c) Siderite → (iii) ZnCO3
4 years ago
Forum
Chemistry
Replies: 0
Views: 220
Topic
If there are two pathogenic viruses, one with DNA and other with RNA, which would mutate faster? And why?
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 177
Topic
What are lifestyle diseases? How are they caused? Name any two such diseases.
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 218
Topic
For an organ transplant, it is an advantage to have an identical twin. Why?
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 190
Topic
A person shows strong unusual hypersensitive reactions when exposed to certain substances present in the air. Identify the condition.
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 158
Topic
What is cancer? How is a cancer cell different from the normal cell? How do normal cells attain cancerous nature?
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 174
Topic
What is the basic principle of vaccination? How do vaccines prevent microbial infections? Name the organism from which hepatitis B vaccine is produced.
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 100
Topic
In the metropolitan cities of India, many children are suffering from allergy/ asthma. What are the main causes of this problem? Give some symptoms of allergic reactions.
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 171
Topic
From which plant cannabinoids are obtained? Name any two cannabinoids. Which part of the body is affected by consuming these substances?
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 88
Topic
Diseases like dysentery, cholera, typhoid etc., are more common in overcrowded human settlements. Why?
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 207
Topic
Drugs and alcohol give short-term ‘high’ and long-term ‘damages’. Discuss.
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 234
Topic
What is secondary metabolism?
4 years ago
Forum
Human Health and Disease
Replies: 0
Views: 212
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