Chemisty grade 10 egypt

To accurately dilute a solution of NaOH to a specific volume, the piece of glassware that can be used effectively is the :

From one dimensional nano materials

• Nano fibers

• Mahmoud sobhy

• bucky ball

• nano shell

The small volume of a liquid can be measured by ;

• Volumetric Flask

• Graduated beaker

• Omar

• Mahmoud

The color of gold is shiny yellow , while the color of nano gold is

• Red

• Dark yellow

• colorless

• Variable

Which of the following are most likely to be ppt

• KNO3 AND PBI2

• AGCL AND PBI2

• AGCL AND NANO3

• KNO3 AND NANO3

the type of solute - solvent in soft drinks is

• gas - liquid

• liquid - gas

• solid - solid

• liquid - liquid

If we have a juice and we keep adding sugar to it , the sugar perticipates , to get rid of ppt we can

• increase the temp.

• put it in the fridge

• Mahmoud sobhui

• roblox

which of the following is not a salt

• Agcl

• NaOH

• NaCl

• KBr

the science that is interested in studying living organismis

• BIO

• CHEM

• PHYS

• GEOLOGY

used to prepare standard HCL solution in the lab

• Volumetric Flask

• Conical flask

• Burette

• Round flask