Answer:
Explanation:
%Carbon = mass of carbon / mas of C13H18O2) X100%
= 13X12/ (13X12+18+2X16)X100%
= 156/206) X100%= 75.7%
Answer:
Explanation:
The balanced chemical equation between
SrO + 2HCl → H2O + SrCl2
Answer:Sunlight travels through space without the aid of fluids or solids
Explanation: Radiation involves transfer of energy or heat with the help of electromagnetic waves.
For example, radiations from Sun help in transfer of energy or heating of object on which it falls. Like, when radiations are falling on a metal rod then after sometime the rod becomes hot due to absorption of radiations from the Sun.
Worms like to eat - organization material
1. Fruit and vegetables scraps
2. Teabag
3. Cardboard
They do not like to eat
1. Meat, fat, and other oil food.
2. Dairy Product
3. Non biodegradable items ( soap)
4. Citrus food ( lemon, lime)
2Na^+ and S^2-
(sodium cation and sulfide anion)