What is brine?
Why does table salt get wet in rainy season?
What is the difference between soda ash and washing soda?
Give the formula of: (i) baking soda (ii) salt cake?
How will you distinguish between sodium carbonate and sodium bicarbonate?
What is fusion mixture?
What is black ash?
Which alkali metal and which alkaline earth metal is radioactive? Give their atomic number also?
Why does sodium hydride conduct current when melted?
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