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.
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Magnesium ribbon burns with a dazzling white flame and changes into a white powder. It is formed due to the reaction between magnesium and oxygen present in the air. What is the name of this white powder?
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 ...
Class 10 Maths Solutions in Hindi Medium all chapters in PDF form. If a PDF form is not available, there is no issue, I can use online also. I need class 10 maths solutions which are prepared for new session ...
I need class 6 Science Important Questions for school test. Some of the sample questions are given below. Please provide the answers of all such questions. 1. Why food is essential for living organisms? Name some variety of food items ...
I need Multiple Choice Questions with answers to practice chapter 1 of class 6 Science for exams. There should be more than 30 MCQs for good practice. If possible some one provide me PDF file to download. There should be ...
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.
