One fathom is equal to
6 feet
6 metres
60 cms
60 feet
- Permanent hardness of water can be removed by adding
- Which of the following characters is not shown by hydrogen
- Which of the following elements is obtained from sea weeds ?
- In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
- Glass is made from the mixture of
- According to Daltons atomic theory the smallest particle which can exist independently is
- The fastest acting enzyme in the biological kingdom is
- Lightening cause rainfall because
- When a gas is turned into a liquid, the process is called
- Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
- Which of the following is commonly called a polyamide ?
- The oxide of Nitrogen used in medicine as anaesthetic is
- Polythene is industrially prepared by the polymerisation of
- The marine animal called dugong which is vulnerable to extinction is a/an
- Earth's seasons are caused by which of the following?
- Quartz crystals normally used in quartz clocks etc. is chemically
- The metal used in storage batteries
- Liquefied Petroleum gas (LPG) consists of mainly
- Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
- The smallest functional and structural unit of kidney is called as
- The intencity of Earthquakes is measured on
- The formula of Plaster of Paris is
- Brass gets discoloured in air due to the presence of which gas in air
- Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
- Which of the following parts of the sun is easily visible only during a total solar eclipse?
- The metallic constituents of hard water are
- The most important ore of Aluminium is
- Which of the following is in liquid form at room temperature ?
- The property of a substance to absorb moisture from the air on exposure is called
- The speed of light with the rise in the temperature of the medium