Class 10th Science Session 2022-23 Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions

When electricity is passed through an aqueous solution of sodium chloride (called brine), it decomposes to form sodium hydroxide. The process is called the chloralkaline process because of the products formed-chlor for chlorine and alkali for sodium hydroxide.

(1)Valve prevent backside flow of the blood. (2)You must know that valves ensure that blood does not flow backwards when the atria or ventricles contract. (3)Similarly, atrioventricular (AV) valve between atrium and ventricle directs the flow of blood and prevents ...

As we know that, the oxygen during photo- synthesis comes from splitting of water molecules into hydrogen and oxygen gas.

Starch solution is a colloidal solution; hence, it will show Tyndall effect.

When X is added water then the solution becomes suspension which is a heterogeneous mixture.

In second case, the particles settle down which were suspended throughout the bulk and the path became not visible.

Milk is a colloid with small particles of butterfat suspended through the liquid.