ACIO Exam

Which of the following substances is most commonly used for cloud seeding (artificial rains)?
(i) Magnesium hydroxide
(ii) Potassium Chloride
(iii) Silver iodide
(iv) Zinc Sulphate

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ACIO Other Question
German Silver is an alloy of?
(i) Copper, Zinc and Nickel.
(ii) Silver, Copper and Carbon
(iii) Silver, Zinc and Aluminium
(iv) Aluminium, Zinc and Cobalt
 A Theodolite is used for measuring
(i) oceanic temperature variation
(ii) celestial distances
(iii) river water flow
(iv) angles in horizontal and vertical planes.