GE-CHEM 1103 Module 5

Question 1

is a chemical compound and polar molecule, which is liquid at standard temperature and pressure.

Answer 1

Water

Question 2

chemical formula that has one molecule of water is composed of two hydrogen atoms and one oxygen atom

Answer 2

H2O

Question 3

found almost everywhere on earth and is required by all known life.70% of the Earth’s surface is covered.known to exist, in ice form, on several other bodies in the solar system and beyond, and proof that it exists (or did exist) in liquid form anywhere besides Earth would be strong evidence of extraterrestrial life.

Answer 3

Water

Question 4

Strong environmental interactions occur among water, air, soil, and living systems

Answer 4

hydrosphere, atmosphere, lithosphere (geosphere), and biosphere

Question 5

refers to water in its many forms: oceans, lakes, streams, reservoirs, snowpack, glaciers, the polar ice caps, and groundwater.

Answer 5

hydrosphere

Question 6

strongly influences the chemical and biological processes that occur in water.

Answer 6

The physical condition of a body of water

Question 7

The most significant sources of water pollution

Answer 7

sewage, agricultural pollution, oil pollution, radioactive substances, river dumping and marine dumping.

Question 8

another name for waste water from domestic and industrial processes.

Answer 8

Sewage

Question 9

contamination we release into the environment as a by-product of growing and raising livestock, food crops, animal feed, and biofuel crops.

Answer 9

Agricultural Pollution

Question 10

Oil spillages affect water quality in a number of ways. Oil can make drinking water unsafe to drink. A substantial amount of oil released into oceans and seas will destroy wildlife and the ecosystems that sustain them. Oil spills also reduce oxygen supplies within the water environment.

Answer 10

Oil Pollution

Question 11

another source of water pollution. Radioactive substances are used in nuclear power plants, industrial, medical and other scientific processes. They can be found in watches, luminous clocks, television sets and x-ray machinery. There are also naturally occurring radioisotopes from organisms and within the environment.

Answer 11

Radioactive Substances

Question 12

Lots of people dump supermarket trolleys, bicycles, garden cuttings and electronic waste into rivers or river banks.

Answer 12

River dumping

Question 13

defined as the deliberate disposal at sea of wastes or other matter from vessels, aircraft, platforms or other man-made structures, as well as the deliberate disposal of these vessels or platforms themselves Other sources of waste at sea include plastics and other materials blown or washed from land.

Answer 13

Marine Dumping

Question 14

There are three types of water quality parameters

Answer 14

physical, chemical, and biological (study table 5.1)

Question 15

to protect the country’s water bodies from pollution from land-based sources (industries and commercial establishments, agriculture and community/household activities). It provides for a comprehensive and integrated strategy to prevent and minimize pollution through a multi-sectoral and participatory approach involving all the stakeholders

Answer 15

Republic Act 9275: The Philippine Clean Water Act

Question 16

Enacted in 2004
Implementing Rules and Regulations – On-going preparations. (Nationwide)

Answer 16

Republic Act 9275: The Philippine Clean Water Act