CSS 1978
Q: Name any two chemical fertilizers:
Answer: Urea and Ammonium Nitrate
Q: Name two common commercial solvents:
Answer: Water and Carbon Tetrachloride
Q: Which fuel is used by jet aero planes?
Answer: Kerosene oil or Gasolie is used as a fuel.
Q: What is added to commercially used ethyl alcohol to render it unsuitable for human consumption?
Answer: Methyl Alcohol
Q: Name two materials we use which are produced by insects
Answer: Honey and Lac
Q: Which gas is filled in balooons to make them lighter than air
Answer: Hydrogen Gas
Where are the deposits of the following minerals found in Pakistan?- Copper
- Coal
- Mica
- Iron
- Petroleum
- Precious Stones
Answer: Copper deposts are found in Saindak and Amuri in Chagi district; Coal deposits are present in Khushab, Khewra, Dandot, Pir Jahania, Makarwal, Ara Kalha and Harnia, The deposits of Mica are found in Hazara, Swat and Chitral; Iron deposits are found in Kirana Hills in Sargodha district and Chagi.