Ch:5 Water

The water of the oceans is salty or saline as it contains large amount of dissolved salts. Most of the salt is ____________ or the common tale salt that we eat.

• Sodium Bicarbonate

• Sodium Hydroxide

• Sodium Chlorophyll

• Sodium Chloride

Orange River is located in which of the following continents?

• Asia

• Europe

• North America

• Africa

How much percentage of water on the Earth are water in fresh water lakes?

• 97.3

• 0.0009

• 0.009

• 0.0019

The tsunami that struck havoc in the Indian Ocean on the 26th December 2004 had a speed of ________km/h.

• 700

• 7000

• 800

• 8000

Which of these are warm ocean currents?

• Brazilian Current

• North Atlantic Drift

• Gulf Stream

• West Wind Drift

Which of these is a cold ocean current ?

• California Current

• North Pacific Drift

• Kuroshio Current

• Aughas Current

When is world water day celebrated ?

• March 22

• March 2

• May 2

• Maroh 22

Which salt lake in Israel has a salinity of 340 grams per liter of water?

• Lake Salty

• Dead Sea

• Jewish Lake

• Sodium Chloride Lake

The movements that occur in oceans can be broadly categorized as:

• Waves

• Tsunami

• Currents

• Tides

We all know that ___________of the Earth surface is covered by water.

• three-fourth

• fourth-three

• thre-forth

• one -fourth