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CBSE - XI Science - Chemistry
if the energy of ground state of helium plus ion is -70 ev then find the energy of 3rd excited state of lithium plus 2 ion
Asked by jaygandhi3098
21st February 2024,
4:25 PM
CBSE - XI Science - Chemistry
molalaity of glucose in water is 10m mole fraction glucose is
Asked by sundarambal387
10th October 2023,
8:01 PM
CBSE - XI Science - Chemistry
define ionization enthalpy
Asked by aryulakhimale
18th September 2023,
3:12 PM
CBSE - XI Science - Chemistry
2A2 + 3B2 → 2C2 + D2 If 6 mol of A2 reacts with 7.5 mol of B2, then. (a)4 mol of C2 is formed (b)3 mol of D2 is formed (c)0.5 mol of B2 is left in excess (d)1 mol of A is left in excess
Asked by saankhytare01539
22nd May 2023,
12:46 PM
CBSE - XI Science - Chemistry
Calculate the number of atoms in a) 160 amu of argon b) 2.5 moles of dihydrogen
Asked by swetalinasamantaray022
29th April 2023,
9:03 AM
CBSE - XI Science - Chemistry
calculate the number of atoms in 80u of Ne
Asked by swetalinasamantaray022
29th April 2023,
8:54 AM
CBSE - XI Science - Chemistry
what weight of CO2 will produce when 31g of H2CO3 is burn?
Asked by ormotivemyaim
12th January 2023,
12:00 PM
CBSE - XI Science - Chemistry
give the relationship between acid and basic of lewis thory
Asked by kushala674
23rd December 2022,
6:12 AM
Browse free questions and answers Chapters
- 1 Some Basic Concepts of Chemistry
- 2 Structure of Atom
- 3 Classification of Elements and Periodicity in Properties
- 4 Chemical Bonding and Molecular Structure
- 5 States of Matter
- 6 Thermodynamics
- 7 Equilibrium
- 8 Redox Reactions
- 9 Hydrogen
- 10 The s-Block Elements
- 11 The p-Block Elements
- 12 Organic Chemistry
- 13 Hydrocarbons
- 14 Environmental Chemistry
