Which of the following organo - silicon compound on hydrolysis will give a three dimensional silicone ?
R3SiCl
RSiCl3
SiCl4
R2SiCl2
Half-life of radioactive substance is 4 days . Amount of the substance decayed in two days is :
1 -
20 %
Iodine is tested by the following reagent :
starch
urea
glucose
glycerol
A.
starch
Iodine can be identified with the help of starch with which it give violet .