science experiments results Flashcards
Starch test
Use iodine
If it is positive then the test would turn to blue or purple. If it is negative then it will stay as brown or yellow.
carbohydrate test
Use benidict solution
Positive will be red or orange color.
Negative will be blue
protein test
buriet solution
Blue precipitate will be found if it is a positive test
Lipids test
use ethonal
if it is positive there will be a layer of emulsion
HYdrogen test
squeaky pop test
light a flint and put it under the hydrogen. There should be be a pop when the lit splint is under the test tube/.
oxygen test
it relights a glowing splint
carbon dioxide test
limewater
bubble lime water. the water will turn white and a milky precipitate will be there.
water test
turns cobalt chloride paper blue to pink
anhydrous copper(II) sulfate crystals from white to blue
weight formula
w(In newtons)=mass (in kg)X acceleration(m/s)
Force formula
F(newtons)=mass(kg)X acceleration(m/s)
velocity formula
velocity(m/s)=distance(m)/t(seconds)
