Practice Test 6
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Acid rocks have …………. silica.

  • Solution

    Acid Rocks On the basic of silica content is present 65-75% in these rocks. These rocks are called acid rocks. e.q., granite

Olivine is the good source of

Tourmaline is the best source of

Sandstone, dolomite rocks are

Dolomite rich in

The bulk density of clay soil is

The particle density of clay soil is

A soil having bulk density of 1.3 and particle density of 2.65, then the percentage of pore space will be

The porosity is measured by

The bulk density of the normal soil is

  • Solution

    Bulk Density The oven dry weight of a unit volume of soil inclusive of pore space is called bulk density.

    The bulk density of sandy soil is about 1.6 g/cc

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Soil & Soil Fertility
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