Science kaun banega crorepati questions

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Science kaun banega crorepati questions

Question 21 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given by.....?
A
Mendeleev
B
Bohr
C
Lothar Meyer
D
Moseley
Question 22 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What measurement unit microbiologists use when they want to measure something really small (like a bacterial cell!)?
A
Meter
B
Millimeter
C
Micrometre
D
Centimeter
Question 23 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the main component of biogas and natural gas?
A
Ethane
B
Methane
C
Propane
D
Butane
Question 24 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
With which metal does oxygen combine to form rust?
A
Iron
B
Platinum
C
Gold
D
Silver
Question 25 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Aspirin can be found in many household medicine cabinets. But what is it chemically?
A
Paracetamol
B
Acetylsalicylic acid
C
Acetaminophen
D
Ibuprofen
There are 25 questions to complete.

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