0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

Assertion :In case of burning, air and moisture are necessary. Reason: Oxygen is a supporter of combustion.
  1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  3. Assertion is correct but Reason is incorrect
  4. Assertion is incorrect but reason is correct

A
Assertion is correct but Reason is incorrect
B
Assertion is incorrect but reason is correct
C
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
D
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Solution
Verified by Toppr

Atmospheric air contain oxygen which is necessary for combustion because complete oxidation is called combustion. Hence, assertion is incorrect but reason is correct.

Was this answer helpful?
0
Similar Questions
Q1
Assertion: The compressibility factor for H2​ and He is (1+PbRT)
Reason: The compressibility factor for H2​ and He can be derived from Van der Waal's equation.
View Solution
Q2
Assertion
If BOD level of water in reservoir is less than 5 ppm it is not polluted.

Reason
High biological oxygen demand means low activity of bacteria in water.
View Solution
Q3

Assertion – The non-fusible impurities present in iron ore are removed by CaCO3 .

Reason: CaCO3 which decomposes into CaO and CO2. The CaO formed reacts with SiO2 to remove silica


View Solution
Q4
Assertion : Two electrons of helium atom are placed in only one shell but three electrons of lithium need two shells.
Reason: A shell can have maximum 2n2 electrons.
View Solution
Q5
Assertion: The impurities such as SiO2 present in iron ore is removed by CaCO3.

Reason: CaO formed by decomposition of CaCO3 reacts with SiO2 to form slag.
View Solution