Answer:
Square
Explanation:
A square is the only other shape with 4 right angles
Answer:
-decreases the chance of contracting any type of virus
-decreases the chance of other people contracting the virus
Step-by-step explanation:
Step-by-step explanation:
Iodine test for starch
Method:
Place one spatula of the food sample on a dish or 1 cm3 if the sample is liquid.
Using a dropper, place a few drops of iodine solution onto the food.
Record any change in the colour of the solution.
Starch is detected using iodine solution. This turns blue-black in the presence of starch.