What is the basicity/acidity of na2co3
Explain the Physical change?
If you are given two liquids, which look like water, how can you, by two physical tests, prove which one of them may be water ?
Why is ammonia solution added while preparing edta solution?
Why metallic tools used by blacksmiths have wooden handles ?
What is the composition of stainless steel ?
How are pka and strength of a weak acid related?
Why is it dangerous to have a coal fire burning with doors and windows closed ?
what is the formula of petrol
How many elements have been discovered on the Periodic Table?
Why is ammonia-ammonium chloride buffer added?
What is chemical oxygen demand?
Why is sulphuric acid added during the preparation of standard fas solution?