Apparatus invented by Archimedes is :
Pulley
Microscope
Thermemoter
Barometer
- Which of the following elements is a metal
- According to Daltons atomic theory the smallest particle which can exist independently is
- Apparatus invented by Archimedes is :
- When a gas is turned into a liquid, the process is called
- Epoxy resins is used as
- The location and energy of an electron in an atom can be specified by
- The oxide of Nitrogen used in medicine as anaesthetic is
- The most important ore of Aluminium is
- The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
- The Panda belongs to the same family as that of
- The formula of Plaster of Paris is
- The element present in the largest amount in rocks and minerals is
- The metal that is present in Photo Films is
- The fastest acting enzyme in the biological kingdom is
- The hardest substance available on earth is
- Which of the following is the lightest metal ?
- The marine animal called dugong which is vulnerable to extinction is a/an
- The smallest functional and structural unit of kidney is called as
- The metal used in storage batteries
- Polythene is industrially prepared by the polymerisation of
- Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
- Which of the following is in liquid form at room temperature ?
- The solar eclipse occurs when
- Brass gets discoloured in air due to the presence of which gas in air
- Which of the following elements is non-radioactive?
- Cell membrane is
- Bromine is
- Which of the following characters is not shown by hydrogen
- Water has maximum density at
- Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of