General Science Jkssb Chemistry Set 1 Mcqs (504 MCQs) | JKSSB & SSC Quiz

General Science

jkssb chemistry set 1 mcqs

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Practice Questions

504 Total
Question 501 Discuss

Which gas is responsible for 'Global Warming'?

A
oxygen
B
carbon dioxide
C
nitrogen
D
argon

Answer & Explanation

Correct Option: B

CO2 traps infrared radiation reflected from the Earth's surface, leading to the greenhouse effect.
Question 502 Discuss

Which of the following is an 'alkali'?

A
hcl
B
koh
C
ch3cooh
D
nh3 (gas)

Answer & Explanation

Correct Option: B

An alkali is a water-soluble base like KOH or NaOH.
Question 503 Discuss

The 'Avogadro's Law' states that at constant P and T, V is proportional to:

A
temperature
B
mass
C
number of moles
D
pressure

Answer & Explanation

Correct Option: C

Equal volumes of all gases under the same conditions contain equal numbers of molecules.
Question 504 Discuss

Which among the following is the 'strongest' reducing agent?

A
li
B
na
C
k
D
cs

Answer & Explanation

Correct Option: A

Lithium has the highest negative electrode potential due to its very high hydration enthalpy.