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Question
If the length and cross-sectional area of a conductor remain unchanged, what is the relationship between the thermal resistance and thermal conductivity…
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State whether the following statement is true or false: The real expansion of a liquid depends on the expansion of the vessel…
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State whether the following statement is true or false: Equal volumes of all gases under the same conditions of temperature and pressure…
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What is meant by saying the calorific value of natural gas is 50 kJ/g?
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Write the name of a gas involved in our breathing process whose increase in the atmosphere causes global warming.
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Write the name of the main component of biogas.
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The value of the H-C-H bond angle in a methane molecule is – (a) 109°28′ (b) 108°29′ (c) 100° (d) 180°
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Which of the following has the highest electrical conductivity? (a) Aqueous solution of sugar (b) Pure water (c) Liquid hydrogen chloride (d)…
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What will be the colour of the solution formed when excess aqueous ammonia is added to aqueous copper sulphate solution? (a) Yellow…
