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Ingestion of heavy metals can cause disease:

NETNUST Entry TestChemistryEnvironmental Chemistry

Ingestion of heavy toxic metals (Pd, Hg, Cr, As, Sb etc) have safe limit:

NETNUST Entry TestChemistryEnvironmental Chemistry

Heavy metals are dangerous as:

NETNUST Entry TestChemistryEnvironmental Chemistry

Which is the most toxic among the givens?

NETNUST Entry TestChemistryEnvironmental Chemistry

Which is least toxic among the givens?

NETNUST Entry TestChemistryEnvironmental Chemistry

Which one is more toxic?

NETNUST Entry TestChemistryEnvironmental Chemistry

The wastes released as a by product during manufacturing of some chemicals are called:

NETNUST Entry TestChemistryEnvironmental Chemistry

Cause of infection to man are:

NETNUST Entry TestChemistryEnvironmental Chemistry

Chemicals used to kill fungi are:

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Chemicals used to kill herbs are:

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Chemicals used to kill pests are:

NETNUST Entry TestChemistryEnvironmental Chemistry

Chemicals used to kill insects are:

NETNUST Entry TestChemistryEnvironmental Chemistry

The most important pesticides are:

NETNUST Entry TestChemistryEnvironmental Chemistry

Synthetic organic pesticides formulated nowadays are more than:

NETNUST Entry TestChemistryEnvironmental Chemistry

Which does mobilize the bond toxic heavy metals ions as Pb, Cd, Hg from sediments into water:

NETNUST Entry TestChemistryEnvironmental Chemistry

Many petroleum products are:

NETNUST Entry TestChemistryEnvironmental Chemistry

Petroleum or crude oil is a complex mixture of compoundds mainly:

NETNUST Entry TestChemistryEnvironmental Chemistry

Diseases like dysentery, typhoid and hepatitis are caused by mixing of in water:

NETNUST Entry TestChemistryEnvironmental Chemistry

A single chloride free radical of CFCs can destroy upto ozone molecules:

NETNUST Entry TestChemistryEnvironmental Chemistry

Chlorofluorocarbons and aerosols are inert in sphere:

NETNUST Entry TestChemistryEnvironmental Chemistry

Troposphere extends upto km:

NETNUST Entry TestChemistryEnvironmental Chemistry

Ozone is stratosphere extends upto km:

NETNUST Entry TestChemistryEnvironmental Chemistry

Term ozone hole is used for depletion of ozone during months of:

NETNUST Entry TestChemistryEnvironmental Chemistry

By the mid of 1980s depletion of total overhead ozone in antarctic region is:

NETNUST Entry TestChemistryEnvironmental Chemistry

Ozone acts as:

NETNUST Entry TestChemistryEnvironmental Chemistry