Choose the appropriate items from the box.
Nichrome , Tungsten , Fuse wire, Nitrogen .
Which is an alloy of tin and lead ?

Choose the appropriate items from the box. Nichrome , Tungsten , Fuse wire, Nitrogen . Which is used as heating coil ?

Uses of some organic compounds are given below. Choose the appropriate compound from the bracket which is suitable to each use. (Teflon, Ester, Ethanoic acid, Ethanol, Power alcohol) a) Uses as a solvent and in the production of different organic compounds. b) Uses in the production of artificial perfumes. c) Used as a fuel in automobiles d) Used in making non-stick cooking vesseles.

The names of some metals are given below. Tungsten, Gold, Sodium, Copper, Iron, Magnesium Answer the following questions by selecting the appropriate ones from the list. Which metal with high malleability is used for making ornaments? Which of these metals reacts with cold water? Which of these is a hard metal but corrodes easily?

Choose the ore from those given below which can be used in the above figure. Bauxite, Tin stone, Copper pyrites, Calamine.

An open box is made by removing squares of equal size from the corners of a tin sheet of size 16cmxx10cm and folding up the sides of the box so obtained. What is the value of x for which V is maximum?

Which are the circumstances that cause high electric current , leading to the melting of fuse wire ?

From those given below choose the metals that can be refined by liquation. Tin, Sodium, Magnesium, Aluminium, Lead.