1. A Group Ware is a

(a) Hardware
(b) Network
(c) Software
(d) Firmware

2. Lens is made up of

(a) Pyrex glass
(b) Flint glass
(c) Ordinary glass
(d) Cobalt glass

3. The element which is used for vulcanizing rubber

(a) Sulphur
(b) Bromine
(c) Silicon
(d) Phosphorus

4. Which of the following is responsible for the extra strength of pyrex glass?

(a) Potassium Carbonate
(b) Lead Oxide
(c) Borax
(d) Ferric Oxide

5. The noble gas used for the treatment of cancer is

(a) Helium
(b) Argon
(c) Krypton
(d) Radon

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Answers:
1. (c) 2. (b) 3. (a) 4. (c) 5. (d)