The metal used in storage batteries
Zinc
Iron
Copper
Lead
- The intencity of Earthquakes is measured on
- The element present in the largest amount in rocks and minerals is
- Permanent hardness of water can be removed by adding
- Which of the following elements is non-radioactive?
- The colour of Emerald is
- Which of the following is in liquid form at room temperature ?
- The type of glass used in making prisms and lenses is
- The speed of light with the rise in the temperature of the medium
- Which of the following parts of the sun is easily visible only during a total solar eclipse?
- Which of the following is commonly called a polyamide ?
- The oxide of Nitrogen used in medicine as anaesthetic is
- The solar eclipse occurs when
- Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
- Earth's seasons are caused by which of the following?
- Nitrification means
- The major ingredient of leather is
- The marine animal called dugong which is vulnerable to extinction is a/an
- Epoxy resins is used as
- The smallest functional and structural unit of kidney is called as
- The location and energy of an electron in an atom can be specified by
- The property of a substance to absorb moisture from the air on exposure is called
- The chemial name of Uria is
- Brass gets discoloured in air due to the presence of which gas in air
- The metal that is present in Photo Films is
- The removal of top soil by water or wind is called
- Old-written material, which cannot be read easily can be read by
- The metallic constituents of hard water are
- One fathom is equal to
- The formula of Plaster of Paris is
- In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…