What are the words? there are no words being showed.
-10 and -2
Because -10-2= -12 and -10 x -2 = 20
Hope this helps :)
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.
Just plot the points on the graph.
2. You know since the graph is a straight line, the ratios are proportional and therefore equivalent
