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BidishaKashayap1333
@bidishakashayap1333
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Joined: Oct 11, 2021
Last seen: Jul 27, 2023
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Topics: 2174 / Replies: 0
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Topic
Explain the term eutrophication with suitable example.
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 107
Topic
During the downpour in a village, the rainwater carried away excess of nitrogenous and other compounds present in the soil to a pond. How will they affect the growth of algae and phytoplankton in the pond?
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 218
Topic
Write down two advantages of fertilizer over manure.
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 66
Topic
Compare the use of manures and fertilizers in maintaining soil fertility.
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 204
Topic
Give two limitations of using manure.
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 83
Topic
What are the advantages of using manure?
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 79
Topic
Choose the micronutrients and macronutrients from the following: Iron, Chlorine, Sulphur, Copper, Nitrogen, Calcium, Manganese, Potassium, Zinc
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 211
Topic
Name the three most important nutrients required for plant growth.
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 256
Topic
How plants get nutrients?
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 195
Topic
Classify nutrients according to their sources.
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 189
Topic
Distinguish between macronutrients and micronutrients. Give suitable examples.
3 years ago
Forum
Improvement in Food Resources
Replies: 0
Views: 183
Topic
The symbols of the elements cobalt, aluminium, helium and sodium respectively written by the student are as follows. Which symbol is the correct one?
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 302
Topic
In hydrogen peroxide (H2O2), the proportion of hydrogen and oxygen by mass is
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 273
Topic
In water, the proportion of oxygen and hydrogen by mass is
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 205
Topic
Which of the following elements has the same molecular mass as its atomic mass?
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 227
Topic
The atoms of which of the following pair of elements are most likely to exist in free state?
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 154
Topic
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of an element as its symbol, was:
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 274
Topic
One nm is equal to: (a) 10^-9 nm (b) 10^-7 nm
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 277
Topic
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 160
Topic
The law of constant proportion was given by: (a) Proust (b) Lavoisier (c) Dalton (d) Berzelius
3 years ago
Forum
Atoms and Molecules
Replies: 0
Views: 305
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