यदि कोई पदार्थ रासायनिक अभिक्रिया के दौरान हाइड्रोजन खो देता है, तो उसे क्या कहा जाता है?

Which of the following chemical reaction processes causes fats and oils in food items to become rancid?

When Zinc reacts with Copper sulphate solution, what is the color of the copper metal deposited at the bottom of the beaker?

What is the color of the flame when magnesium ribbon is burned in air?