yes obviously

for cement

on cement bag some standard information should be printed like the type of cement, pozzolana content, IS code of that type, week of packing,

it should have a greenish color

it should give smooth feeling when putting your hand in cement bag and doesn’t present any lumps

When it throw on the water surface, it should stay on the surface before the sink for some time.

cement bag should be used within three months of manufacturing

for sand

Basically, we check clay content in the sand by sand, taken in hand, and rub it. If there is clay is present, then particular clay sticks with hand moisture so we can observe easily.

sand should be washable

We can also check its uniformity by sieve if it’s present on site.

aggregate

aggregate should have well-graded we can check it by check packing (interlocking structure ) of it

aggregate should not have any clay contain

and other material we can check it by various experience .