What is wave length?
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What is the chemical composition of fat in human body?
Why is radiator used in a motor-ear ?
What happens when the excess of stannous chloride is not removed
Write the chemical formula for epsom salts?
How is brass solution prepared?
At what temperature does mercury freeze ?
Explain acid gas?
What is buffer?
When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason????????? When a cool glass rod is suudenly heatd, it cracks. Why?????????
why do hard water never produce foam when a soap is dissolved?
What is polar hcl?
However ozone is heavier than oxygen still ozone is up there in sky why?