This is the 141 section from Everyday Science. These questions and answers will be from Telephone, Electron and Generators.
Ques No.1: Telephone was invented by __________.
Ans: Dr. Graham Bell
Ques No.2: ________ means loss of electron.
Ques No.3: _______ is CO2.
Ans: Dry ice
Ques No.4: The measurement of rainfall is made by an instrument known as ________.
Ans: Rain gauge
Ques No.5: Generators convert ___________.
Ans: mechanical energy into electric energy
Ques No.6: The important ore of Chromium is _______.
Ques No.7: Speed of light is ___________
Ans: 300000 km/sec
Ques No.8: All of the oxygen that we breathe has been produces by the splitting of water during ____.
Ques No.9: Kitab-al-Manadhir was written by _________.
Ques NO.10: About _______ of the human body consists of water.
Everyday Science Questions & Answers Section 142
Everyday Science Questions & Answers Section 143
Everyday Science Questions & Answers Section 144
Everyday Science Questions & Answers Section 145
Everyday Science Questions & Answers Section 146