Fine-grained dolomite might not effervesce in cold, dilute hydrochloric acid and chert will not. what tests should be performed to tell these two rocks apart? what might be done to make the acid test more ? explain.

tested on the basis of hardness

and Water-resistant test and Stain-resistant test

use more concentrated acid which produce effervescence with dolomite but not with chert

Explanation:

we know that Chert generally shows banded or layering texture

but dolomite shows earthy texture

and

these both rocks can be tested on the basis of hardness because chert is more harder than dolomite

so it easily distinguished by method.

and

some more different treatments to differentiate between chert and dolomite by Water-resistant test and Stain-resistant

in both these test both Chert is resistant and here dolomite is not.

and

it can also differentiate by use more concentrated acid which produce effervescence with dolomite,

but not with chert

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explanation:

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