Solid substances are ground with the help of a ___________ in a mortar.
To pulverise the solid substances, they are placed in a mortar and gently smashed with a pestle.
Solid substances are ground with the help of a _____ pestle______ in a mortar.
when two substance A and B are powdered togetherin a pestle and mortar , a large amount of heat is given out and a substance C is formed . the properties of C are found to be differnt from A and B is the substance be compound or element if any then why?
Question 3
(a) What are insoluble substances?
(b) Name a few solid substances that are insoluble in water.
(c) Name a few liquid substances that are insoluble in water.
How are two solid substances separated from a mixture containing two solid substances?