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explain how ionisation energy data can be used to predict electronic structures in detail
compare solids, liquids and gases in terms of volume, shape, relative density and compressibility in detail.
with the aid of examples explain the nature of weak Van der Waals forces in detail?
Metal: 1s22s22p63s1; nonmetal: 1s22s22p63s23p5
Express your answers as a cation, an anion, and a chemical formula separated by commas.
What it is the full name also?
Express your answers as a cation, an anion, and a chemical formula separated by commas.
What it is the full name also?
what is the fingerprint region of an infra red spectrum?
how will you use it to confirm the identity of an organic compound?
in detail please
how will you use it to confirm the identity of an organic compound?
in detail please
explain how the infrared spectrophotometer is used to establish the functional groups in organic compounds in detail.
draw and label the infra red spectrophotometer?
Q4. Why is the time taken for the change to occur different in the two beakers? ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________
Q5. Give an example of such a change from your daily life
Q5. Give an example of such a change from your daily life
Demonstration of activity 1.4 on page 2, of class IX NCERT textbook. For better observation, crystals of KMnO4 in the place is taken in place of honey.
Q1. What change is observed in the two beakers? ______________________________________________________________________________ ______________________________________________________________________________ _____________________________________________________________________________
_ Q2. In which beaker has the change occurred more quickly? ______________________________________________________________________________ _____________________________________________________________________________
_ Q3. Name the process involved in the observed change
Q1. What change is observed in the two beakers? ______________________________________________________________________________ ______________________________________________________________________________ _____________________________________________________________________________
_ Q2. In which beaker has the change occurred more quickly? ______________________________________________________________________________ _____________________________________________________________________________
_ Q3. Name the process involved in the observed change
ANSWER THE QUESTIONS:
1. Are particles in all forms of matter the same? Yes No
2. How are the particles in liquids different from the particles in solids?
3. Why can gas fill any space?
4. Compare the properties of matter based on (shape and volume, space between the particles, force of attraction)
1. Are particles in all forms of matter the same? Yes No
2. How are the particles in liquids different from the particles in solids?
3. Why can gas fill any space?
4. Compare the properties of matter based on (shape and volume, space between the particles, force of attraction)
