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Question 1 reset
Most soluble in water is
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The gas usually filled in the electric bulb is
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Washing soda is the common name for
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Quartz crystals normally used in quartz clocks etc. is chemically
Question 5 reset
Which of the gas is not known as greenhouse gas?
Question 6 reset
Brass gets discoloured in air because of the presence of which of the following gases in air?
Question 7 reset
Which of the following is a non metal that remains liquid at room temperature?
Question 8 reset
Chlorophyll is a naturally occurring chelate compound in which central metal is
Question 9 reset
Which of the following is used in pencils?
Question 10 reset
Which of the following metals forms an amalgam with other metals?

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