Answer: a. Millimeter
Explanation:
A paperclip is a small device or instrument that can be used to hold the papers or stack of papers together. The length of the paperclip can be measured using millimeter. It is equal to the thousands of meters. The millimeter is a dimension which is used to measure the very small length objects which have visible scale distances and length.
Decimeter can be used to measure the length of the object smaller than paperclips. Meter and kilometers are used for objects and distances larger than paperclip.
Answer:
Option D sand with water
Explanation:
A heterogeneous mixture is simply any mixture that is not uniform in composition. Two immiscible liquids form heterogeneous mixtures.
Stirring a solute<span> into a </span>solvent<span> speeds up the rate of </span>dissolving<span>. This is because it helps distribute the particles throughout the </span>solvent. <span>Three ways to make a solute dissolve faster in a solvent is the below:
</span><span> Heat it up
</span>Stir
Add catalyst
If 5 ml of 0.5 M NaOH is added to 20 ml each of Buffer b and buffer c. Both of the buffers' pHs won't change since a buffer has a property that if it is added to another solution, acidic or basic, its pH won't change.