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

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

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.

Some alloys are given below. Alnico, stainless steel, Nichrome a) Which alloy is used for making heating coll? b) Which alloy is used for making permanent magnent? c) What is the similarity between stainless steel and nichrome?

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?

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : 1 mole oxygen and 1 mole nitrogen have same volume at same temerature and pressure.. Reason : 1 mole gas occupies 22.4 litres at STP.

Choose the correct alternative from the bracket.:- (AC current//choke coil) is a pure inductor used to reduce the alternating current without the wastage of energy.

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