Chemical Reactions and Equations
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Do you know that desert plants absorb the sunlight during the day and take up carbon dioxide at night and prepare an intermediate which is acted upon by the energy absorbed by the chlorophyll during the day.
This information, acquired at the end of the dendrite tip of a nerve cell, sets off a chemical reaction that creates an electrical impulse. This impulse travels from the dendrite to the cell body, and then along the axon to ...
Magnesium is a reactive metal. It should be burned directly in air without cleaning. Still, it is cleaned before buruning. It is unnecessarily cleaned before burning.
How can I download all the NCERT Textbooks for class 10 in PDF form? Class 10 Maths Books in Hindi Medium, Class 10 Science Books in Hindi Medium, 10th Social Science Books in Hindi Medium for academic session 2022-23. Class ...
Any undesirable change in physical, chemical or biological characteristics of natural resources like air, land, water or soil is known as pollution. All the agents that are responsible for this change are called as pollutants.
(i) Carbonate and Sulphide ores are usually converted into oxides during the process of extraction of metals. (ii) Ionic compounds have generally high melting points. (iii) Hydrogen is not a metal, but it has been assigned a place in the ...
Is the following answer perfect? When a metal is attacked by substances around it, such as moisture, acids, etc, it is said to corrode and this process is called corrosion. Corrosion of iron is called rusting.
दो वर्ष पूर्व सलीम की उम्र उसकी पुत्री की उम्र की 3 गुनी थी।6 वर्ष बाद उसकी उम्र अपनी पुत्री की उम्र के दोगुने से 4 वर्ष अधिक हो जायेगी,उनकी वर्त्तमान उम्र बताओ।तथा इसे ज्यामितीय रूप में व्यक्त करो।