Chemistry

What are medieval researchers called? a) Alchemist b) Alchemi c) Kimia d) Al-Karia Answer: a) Alchemist

Who is the father of modern chemistry? a) John Dalton b) Robert Boyal c) Antony Lavoisiere d) Neils Bohr Answer: c) Antony Lavoisiere

The word Al-Chemy represents which civilization? a) Shindhu b) Egyptian c) Western d) Indian Answer: b) Egyptian

The word “Alchemy” comes from which language? a) Bengali b) Persian c) English d) Arabic Answer: d) Arabic

Which type of word is Al-chemy? a) Egyptian b) Urdu c) Arabian d) English Answer: c) Arabian

Why was there a need to arrange different elements in rows? There are enough similarities in the properties of different elements. It will be easier to learn about the different properties of an element by classifying different elements in similar groups. This is why there was a need to arrange different elements in rows.

The physical and Chemical properties of elements return periodically as the atomic mass of elements increases. Dmitri Mendeleev’s periodic law, proposed in 1869, states that the properties of elements are periodic functions of their atomic weights. In simpler terms, as you arrange elements in order of increasing atomic weight, their properties repeat in a predictable … Read more

What is Organic Chemistry? Table of Contents Introduction History of Organic Chemistry Structure of Organic Molecules Isomers in Organic Chemistry Functional Groups in Organic Chemistry Bonding in Organic Chemistry Types of Organic Reactions Reaction Mechanisms in Organic Chemistry Spectroscopy in Organic Chemistry Applications of Organic Chemistry Challenges and Future of Organic Chemistry Conclusion FAQs 1. … Read more