Answer:
O = 94.117%
H = 5.882%
Explanation:
Hydrogen peroxide (H202) Molar Mass = 34g
OH 1- 17g/mol
H 1+ = 1g/mol
O = 16g/mol
2 Grams H
32 grams O
Percentage composition of Hydrogen peroxide
O = 32/34 = 94.117%
H = 2/34 = 5.882%
Answer:
it's-D...........................
Usually, elements which share the same group, they have similar properties, here only Lithium and sodium share same group as they both are alkali metals.
So, In short, Your Answer would be option B) Lithium and Sodium
Hope this helps!
They are located in the U.S.A
Answer:
A. It secretes hormones that regulate blood sugar levels.
Explanation:
The pancreas is the organ that helps in the process of digestion of the food. The location of the pancreas is in the abdomen. It helps in the process of digestion of the food and regulating the blood sugar level in the body. It helps in regulating and controlling the glucose level in the body during the process of digestion. Pancreas produces enzymes that are useful in the process of digestion.