ShowPer Page

The amount of potassium dichromate consumed during supply of oxygen to the organic compound dissolved in water is called:

NETNUST Entry TestChemistryEnvironmental Chemistry

The capacity of organic matter dissolved in water to consume oxygen with a period of five days is called:

NETNUST Entry TestChemistryEnvironmental Chemistry

The amount of oxygen dissolved in water to oxidize organic matter is called:

NETNUST Entry TestChemistryEnvironmental Chemistry

Quality of water is measured by the term:

NETNUST Entry TestChemistryEnvironmental Chemistry

Chromium VI is highly toxic causing disease of:

NETNUST Entry TestChemistryEnvironmental Chemistry

Leather tanneries cause water pollution by converting Cr VI-salts into a chromium with oxidation state:

NETNUST Entry TestChemistryEnvironmental Chemistry

Leather tanneries use big quantities of:

NETNUST Entry TestChemistryEnvironmental Chemistry

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:

NETNUST Entry TestChemistryEnvironmental Chemistry

Chemicals used to kill herbs are:

NETNUST Entry TestChemistryEnvironmental Chemistry

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