General Knowledge - Single MCQs (Page 146)

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Q1451. The group of metals Fe, Co, Ni may be the best called as?...Q1452. Bar is the unit of?...Q1453. How many colours the sunlight spectrum has?...Q1454. In radar system, generation of power at high frequency needs?...Q1455. The colour of an opaque object is due to the colour it?...Q1456. Rayon is chemically?...Q1457. Which among the following is a positively charged particles emitted by a radioac...Q1458. Nuclear fission is caused by the impact of?...Q1459. The hydraulic brakes used in automobiles is a direct application of?...Q1460. Quartz crystals normally used in quartz clocks etc is chemically?...