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प्रश्न
Match the following:
Column A | Column B |
(a) Helium | (1) Electric bulb |
(b) Neon | (2) Thermometer |
(c) Argon | (3) Semiconductor |
(d) Germanium | (4) Weather balloons |
(e) Mercury | (5) Advertising signboards |
उत्तर
Column A | Answers |
(a) Helium | (4) Weather balloons |
(b) Neon | (5) Advertising signboards |
(c) Argon | (1) Electric bulb |
(d) Germanium | (3) Semiconductor |
(e) Mercury | (2) Thermometer |
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