Periodic Classification of Elements Class 10 MCQÂ Science
The Russian chemist Mendeleev stated that the properties of elements are the periodic function of their atomic masses.
Class X
Metal and Non Metals Class 10 MCQ Chapter 3 Science
Metals occupy the left and the middle parts of the periodic table. On the right side of the periodic table are the nonmetals and the noble gases.
Carbon and Its Compounds Class 10 MCQ Science
Tetrahedral structure is found in diamond because each carbon atom is attached with four different carbon atoms.
Acids, Bases and Salts MCQs with Solutions for Class 10 | Chemistry
The hydrogen atoms of an acid, which can be partially or completely replaced by an atom or a group of atoms are called Replaceable hydrogen & Acidic hydrogen.
Chemical Reaction and Equation Class 10 MCQ Science
A chemical change is one in which the identity of the original substance changes and a new substance or new substances are formed.