Why does a tea kettle sing?

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What is acoustics?

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How many pounds does one gallon of water weigh?

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battery of 180 AMP HOUR”

1 Answers  

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i am preparing for ssc exam.plz send me the last five years question papers to my id

1 Answers   SSB,

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Explain the Washing soda ?

1 Answers  

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How can the presence of an element in a distant star detected ?

2 Answers  

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Explain about Gases ?

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In which medium does the sound travel fatest?

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Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?

1 Answers   Focus,

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Describe the Periscope?

1 Answers  

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How ate the weather forecasts made ?

1 Answers  

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