The Percentage of Water used for Drinking in the world is?
The Percentage of Water used for Drinking in the world is?
A. 1%
B. 10%
C. 3%
D. 5%
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X-rays were discovered by __________?
X-rays were discovered by __________?
A. Wilhelm Conrad Roentgen
B. Thomson
C. Ernest Rutherford
D. BacquerelThe Sun is at an average distance of about________ million kilometers away from Earth?
The Sun is at an average distance of about________ million kilometers away from Earth?A. 100 million
B. 150 million
C. 200 million
D. 250 millionSymbol of Iron is__________?
Symbol of Iron is__________?A. Na
B. Fr
C. Fe
D. ZnThe ozone molecule contains which type of bonding__________?
The ozone molecule contains which type of bonding__________?A. Dative bond
B. Covalent bond
C. Both A and B
D. Ionic BondCNG stands for?
CNG stands for?A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D. Compressed Natural GasTocopherol is the chemical name of which vitamin?
Tocopherol is the chemical name of which vitamin?A. vitamin C
B. vitamin D
C. vitamin A
D. vitamin E