Course
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JEE Main
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Chemistry
How many molecules are present in 44 g of CO₂? (A) 6.022 × 10²³ (B) 3.011 × 10²³ (C) 1.204 × 10²⁴ (D) 2.408 × 10²⁴
By
Monika Singh,
09 Jun 2026 At 11:23 AM
0 replies
0 views
No reply
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Course
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JEE Main
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Chemistry
A unit is a standard used to measure a physical quantity. Examples: Length → meter (m) Mass → kilogram (kg) Time → second (s)
By
Jyoti,
29 May 2026 At 12:10 PM
0 replies
1 views
No reply
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QuestionBank
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JEE Main
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Chemistry
What are protons, neutrons, and electrons?
By
Akash,
30 Mar 2026 At 04:19 PM
0 replies
0 views
No reply
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Course
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Class-XI
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XI-Biology
What is the difference between taxonomy and systematics?
By
,
18 Feb 2026 At 12:26 PM
1 replies
7 views
No reply
Feb 18, 2026
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TestSeries
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JEE Main
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Chemistry
At what temperature will the reaction become non-spontaneous under standard conditions? (ΔG=ΔH−TΔS)(\Delta G = \Delta H - T\Delta S) ( Δ G = Δ H − T Δ S ) Options A. 300 K B. 400 K C. 465 K D. 600 K
By
Tanvi,
10 Feb 2026 At 12:05 PM
1 replies
4 views
Last Reply
Akash
Apr 16, 2026
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DPPs
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Class XI
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XI- Chemistry
What are Schottky and Frenkel defects?
By
Divyanshi,
22 Dec 2025 At 12:58 PM
2 replies
8 views
Last Reply
Tanvi
Feb 10, 2026
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