Online Science Quiz 5

-
Genral Knowledge Science Quizz
This is the general knowledge questions and answers section on "GeneralScience".This quiz will test your general science knowledge.

1. Water is a good solvent of ionic salts because

it has a high specific heat
it has no colour
it has a high dipole moment
it has a high boiling point

2. Which of the following is not an isotope of hydrogen?

Tritium
Deuterium
Protium
Yttrium

3. The main constituents of pearls are

calcium oxide and ammonium chloride
calcium carbonate and magnesium carbonate
aragonite and conchiolin
ammonium sulphate and sodium carbonate

4. Amalgams are

highly coloured alloys
alloys which contain mercury as one of the contents
alloys which have great resistance to abrasion
alloys which contain carbon

5. Which of the following is the lightest metal?

Mercury
Lithium
Lead
Silver

Score = Correct answers:

Comments

Post a Comment

Popular posts from this blog

Who is Who & What is What

-
MOUNTAINS • Mount Olympus is in Greece. • The mountain range in Russia that is regarded as the boundary b/w Europe & Asia is Urals. • Margalla Hills of Islamabad are extension of Himaliya range. • Ural mountains separate Asia from Europe. • Ordovician are oldest rocks. • Oldest mountain system are Araveli. • Youngest mountain system are Himaliyas. • Andes Mountains are in South America. • Ring of Fire are volcanoes in Circum-Pacific Seismic belt. • Alps are Europe’s largest mountain system. • Atlas are North Africa’s mountain range. Atlas Mountains are in Morocco. • The Himalaya mountain range (Asia) is the greatest mountain range in the world. • Ayers Rock is the largest single rock in the world. • Mauna kea volcano is in Hawaii • What is the world’s longest mountain range-The Andes • Black forest is a mountain in Germany. • Rocky or Rockies Mountains is the largest mountain system of North America. • Koh-i-Sultan is in Pakistan. • Highest mountain s
Read more

TOP 10 MOSQUITO FUN FACTS

-
Image
10. An adult mosquito can live as long as 5 months. It may take several months for a  larva to develop to the adult stage in cold water. Eggs of floodwater mosquitoes may  remain dormant for several years, and hatch when they are covered with water.  9. An adult female mosquito weighs only about 1/15,000 ounce (about 2.0 milligrams).  8. An adult female mosquito consumes about 5-millionths of a liter in a single blood  meal.  7. A mosquito wing beats from 300 to 600 times per second.  6. Male mosquitoes find female mosquitoes by listening to the sound of their wings  beating. The males can actually identify the correct species by the pitch of the female’s  wings.  5. Mosquitoes can fly about 1 to 1.5 miles per hour.  4. Most mosquitoes do not fly very far from their larval habitat, but the salt marsh  mosquito migrates 75 to 100 miles over the course of its life.  3. A mosquito can smell the carbon dioxide you exhale from about
Read more

Petra Jordan in Urdu

-
Image
Petra is an archaeological and historical city in the Jordanian governorate of Ma'an, which for its architecture, carved rocks and water piping system is known. Around the 6th Founded century BC as the capital of the Nabataeans, it is a symbol of Jordan and the most visited tourist attraction.  It is situated on the slopes of a basin between the mountains, the eastern flank of Arabah (Wadi Araba), the large valley running from the Dead Sea in the Gulf of Aqaba to form. Petra is a UNESCO world heritage site since 1985. Petra is considered the most famous and gorgeous site in Jordan located about 262 km south of Amman and 133 km north of Aqaba. It is the legacy of the Nabataeans, an industrious Arab people who settled in southern Jordan more than 2000 years ago. Admired then for its refined culture, massive architecture and ingenious complex of dams and water channels, Petra is now a UNESCO world heritage site and one of The New 7 Wonders of the World that enchants
Read more