Which of the following is in liquid form at room temperature ?
Sodium
Cerium
Francium
Lithium
- Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
- The recent atomic weight scale is based on
- One fathom is equal to
- Brass gets discoloured in air due to the presence of which gas in air
- Earth's seasons are caused by which of the following?
- Liquefied Petroleum gas (LPG) consists of mainly
- What is the unit for measuring the pitch or frequency of sound ?
- Bromine is
- Quartz crystals normally used in quartz clocks etc. is chemically
- Which of the following is the lightest metal ?
- Water has maximum density at
- The major ingredient of leather is
- The fastest acting enzyme in the biological kingdom is
- Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
- The metal used in storage batteries
- Apparatus invented by Archimedes is :
- The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
- Epoxy resins is used as
- The chemial name of Uria is
- According to Daltons atomic theory the smallest particle which can exist independently is
- The property of a substance to absorb moisture from the air on exposure is called
- In an atomic nucleus, neutrons and protons are held together by
- The element present in the largest amount in rocks and minerals is
- Which of the following is in liquid form at room temperature ?
- Nitrification means
- The Panda belongs to the same family as that of
- The colour of Emerald is
- The oxide of Nitrogen used in medicine as anaesthetic is
- Which of the following elements is non-radioactive?
- Pollination by birds is called