List of top Chemistry Questions on General Science

Which non-metal is liquid at room temperature? 

What is formula of mustard gas?
Tooth enamel is made up of
Which of the following is not a heavy metal? 1
Scrubber technology used in automobile to remove mainly which harmful gas from the exhaust with the help of water spray or lime :
Acid Rain is caused due to _________.
Which is the only metal that is Liquid at room Temperature?
The canary bird is used to detect ________ gas in the Singareni coal of fields.
Which of the following is NOT a cellulosic fibre?
Kronecker delta is defined by
Match List I with List II
 List I (Books)  List II (Author) 
AIronIBody water balance and nerve function
B CalciumIIDigestion and metabolism
CSodiumIIIConstituent of haemoglobin 
DZincIVBlood clotting and nerve transmission
Choose the correct answer from the options given below:
Which of the following is the most electro-negative element ?
Tooth enamel is made up with
Which of the following properties is used in the olfactory indicator?

The names of the elements present in quick lime are : 
(i) Ca (ii) H  (iii) O (iv) C

Calamine is an ore of which of the following ?
The most abundant gas found in the earth atmosphere is :
Select from the following a set of three metals which are found in free state :
The gas which may cause explosion in coal mines is :
A gel toothpaste is a mixture of a :
During summer, water kept in an earthern pot becomes cool because of the phenomenon of :
The Chemical symbol for tin is :
The compound that can be purified by sublimation is :