Hello Guest ! Register or Login   ₹0.00

Current Affairs

GK MCQs Section

General Science – Chemistry

Isotopes and Allotropes

Elements are pure chemical substances consisting of one type of atom. Elements can be metals, metalloids or non-metals....

📅 January 28, 2016

Acids and Bases

The term acid is derived from the Latin word acidus meaning sour. Bases are bitter in taste. An...

📅 January 28, 2016

Endothermic and Exothermic Reactions

The chemical reactions which proceed with the evolution of heat energy are called exothermic reactions. Heat evolved is...

📅 January 28, 2016

Factors Affecting Rate of Chemical Reactions

The rate of a chemical reaction is defined as the change in the concentration of the reactant or...

📅 January 28, 2016

Physical Change and Chemical Change Examples

In a physical change, substances don’t change; only their molecules are rearranged. No new substance is formed in...

📅 January 28, 2016

Atomic Number, Mass Number, Atomic Mass, Molecular Mass and Mole

Atomic Number is the number of Protons in nucleus of an Atom. Mass number of an element is...

📅 January 28, 2016

States of Matter

Matter can exist in at least four fundamental states viz. solid, liquid, gas and plasma. There are other...

📅 January 28, 2016

Copper & Brass cleaning by Vinegar

Copper is a metallic element; brass is an alloy or mixture of the metallic elements copper and zinc....

📅 May 22, 2013

Free Flowing Salts and Desiccants

Calcium silicate (CaSiO3), a commonly used anti-caking agent, added to e.g. table salt, absorbs both water and oil....

📅 May 22, 2013

Ice Cubes are Cloudy on the Inside

Water contains both dissolved gases (e.g., oxygen) from the atmosphere and dissolved minerals (e.g., calcium and magnesium salts)....

📅 May 22, 2013

Archives

Archives

Archives

Older Posts
About Us   | Our Privacy Policy   | © 2025 GKToday | 📱 GKToday Android App