Carbon- Old is Gold
1. Carbon monoxide is used as a reducing agent in metallurgy but not carbon dioxide. Why?2. Give the laboratory method of preparation of carbon
Carbon- Old is Gold
1. Carbon monoxide is used as a reducing agent in metallurgy but not carbon dioxide. Why?2. Give the laboratory method of preparation of carbon
Avogadro?s Hypothesis and Its Application
1. In what ways has Avogadro?s hypothesis given support to Dalton?s atomic theory?
Periodic Classification of Elements
1. Is a potassium atom larger, smaller or the same size as a potassium ion? Explain.2. Why does the atomic size increase in going down
Hydrogen
1. Show that nascent hydrogen is powerful reducing agent than molecular hydrogen.2. List all the possible istopes of hydrogen. Name the isotope which does not contain neutron.3.
Gaseous State
1. At what condition the value of P xV is always constant?2. Draw volume (V) and temperature (t°C) relationship of gases at constant pressure. Indicate the