Answer:
Metal
Explanation:
In chemistry, an alkali is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element. An alkali also can be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0.
Answer:
The answer is
<h2>20 %</h2>
Explanation:
The percentage error of a certain measurement can be found by using the formula

From the question
actual volume = 35 mg
error = 35 - 28 = 7
The percentage error is

We have the final answer as
<h3>20 %</h3>
Hope this helps you
Answer:
The reaction begins and builds up heat. This heat causes the aluminum to melt and float on top of the liquid bromine. Wherever the two elements meet, sparks, heat, and light are given off.
Explanation:
Chlorophyll pigment found in chloroplast of leaves absorbs sunlight.
The plants has a technique in which they lean towards sunlight which helps them better to compete for sunlight.
Explanation:
The leaves of the plant consist of chloroplasts in which light absorbing pigment chlorophyll is found. The chloroplast consist of thylakoid where light reaction of photosynthesis takes place.
The presence of chlorophyll a in large amount would help plant better use the sunlight this amounts to increase number of chloroplast.
Leaning towards the sunlight is feature which helps them using more sunlight.