GK Questions from Chemistry - 019

01.	Anode rays are discovered by ? Answer :  Gold Stein		Answer
02.	Cathode rays are discovered by ? Answer :  Julius Pluckier		Answer
03.	Neutron was discovered by ? Answer :  James Chadwick		Answer
04.	The atomic number is first calculated by ? Answer : Moseley		Answer
05.	The gas which responsible for the explosion in coal mines ? Answer : Methane		Answer
06.	The most common photographic fixer ? Answer :  Hypo		Answer
07.	The PH Value of Ammonia ? Answer :  12		Answer
08.	The PH Value of Apple ? Answer : 3		Answer
09.	The scientist who called out Eureka Eureka ? Answer : Archimedes		Answer
10.	Which is used for the preservation of biological specimen ? Answer :  Formalin		Answer
11.	Which is used to reduce the alkaline nature of the soil ? Answer :  Aluminum Sulphate		Answer
12.	Who invented Kerosene ? Answer :  Abraham Pineo Gesner		Answer
13.	Who is known as the father of periodic table ? Answer :  Mendeleev		Answer
14.	Who was the first to discover natural rubber ? Answer : Christopher Columbus		Answer
15.	Who wrote the book De re Metallica ? Answer :  Georg Agricola		Answer