Quartz crystals normally used in quartz clocks etc. is chemically 1 Sodium silicate 2 Germanium oxide 3 Silicon dioxide 4 None of these

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Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these

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Why capacitor is not allow dc ?? What the reason?

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The age of most ancient geological formations is estimated by 1 Potassium-argon method 2 Ra-Si method 3 C14method 4 Uranium-lead method

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The major constituents of Portland cement include 1 Lime, silica and iron oxide 2 Lime, silica and magnesia 3 Silica, alumina and magnesia 4 Lime, silica and alumina

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what is defination of conductivity? How much conductivity of water ? what is effect when conductity of water low or high?

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What vendors does Ameber Recommed?

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According to Dalton’s atomic theory, the smallest particle which can exist independently is 1 An atom 2 A molecule 3 A cation 4 An anion

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The National Earthquake Information Center has asked you to write a program implementing the following decision table to characterize an earthquake based on its Richter scale number. Richter Scale Number (n) Characterization n < 5.0 Little or no damage 5.0 &#8804; n < 5.5 Some damage 5.5 &#8804; n < 6.5 Serious damage: walls may crack or fall 6.5 &#8804; n < 7.5 Disaster: houses and buildings may collapse Higher Catastrophe: most buildings destroyed Could you handle this problem with a switch statement? If so use a switch statement; if not explain why.

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Enriched uranium used in a nuclear reactor is 1 Uranium freed of all impurities 2 Uranium treated with radiation 3 Uranium alloyed with aluminum 4 Uranium with a high percentage of a particular isotope

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What is one light second?

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The combustible material at the tip of a safety match sitck is 1 Sulphur 2 Manganese dioxide 3 Phosphorus 4 Antimony sulphide

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