What is wave length?
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What is the chemical formula of alum?
What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?
Which element is nether a solid nor a liquid?
What is Salts ?
What is the difference between caustic soda and washing soda ?
What is the difference between iron and steel ?
Though the secondary cell can be recharged again and again, still they have a lifetime. Why?
What is the prime constituents of cement?
How is electricity generated from water ?
what is the formula of petrol
Why is glass electrode called an ion selective electrode?
Why is sulphuric acid added during the preparation of standard fas solution?