CHEMISTRY ONE LINER SET 37

CHEMISTRY ONE LINER SET 37

1. What is used in preparing match sticks? Red phosphorus
 
2. Which are the Actinides elements with atomic numbers? From 89 to 103
 
3. What is the most suitable unit for expressing nuclear radius? Fermi
 
4. What is the transfer of energy through matter from particle to particle? Conduction
 
5. Chlorine acts as a bleaching agent only in the presence of which thing? Moisture
 
6. Which pair of metals are supposed to constitute the internal core of the earth? Nickel and Iron
 
7. What does Nail polish remover contain? Acetone
 
8. Select the compound in which chlorine shows oxidation state + 7? HClO4
 
9. Which substance is used to retard the setting action of cement? CaSO.2HO
 
10. What is the composition of Nitrolim-a chemical fertilizer? Calcium carbide and nitrogen