Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous glass called
None of these
Correct Answer :
Download Objective type questions of
Visit our PDF store
Get all objective type questions of General Science MCQ
comments powered by Disqus.
The intencity of Earthquakes is measured on
The oxide of Nitrogen used in medicine as anaesthetic is
When a gas is turned into a liquid, the process is called
The most important ore of Aluminium is
Old-written material, which cannot be read easily can be read by
The formula of Plaster of Paris is
The hardest substance available on earth is
In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
The solar eclipse occurs when
Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
Quartz crystals normally used in quartz clocks etc. is chemically
Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
Brass gets discoloured in air due to the presence of which gas in air
The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
Permanent hardness of water can be removed by adding
Liquefied Petroleum gas (LPG) consists of mainly
The chemial name of Uria is
The metallic constituents of hard water are
The property of a substance to absorb moisture from the air on exposure is called
According to Daltons atomic theory the smallest particle which can exist independently is
Which of the following elements is obtained from sea weeds ?
The removal of top soil by water or wind is called
What is the unit for measuring the pitch or frequency of sound ?
Which of the following elements is non-radioactive?
In an atomic nucleus, neutrons and protons are held together by
Apparatus invented by Archimedes is :
The location and energy of an electron in an atom can be specified by
The speed of light with the rise in the temperature of the medium
Join our Chat Group
Join our Twitter Group
Join our Pinterest Group
Join our Facebook Group
Subscribe to our Email Newsletter