ابي حل الاسئله هذي
 

1-………is the study of chemical composition, structure and reduction ?
A- Chemistry
B-Anatomy
C- Physiology

2-The branches of chemistry are …………?
A-Biochemistry
B-Physical chemistry*
C-All of above*

3-…….. is the study of biological chemistry ?
A-Biochemistry
B-Organic chemistry*
C-Inorganic chemistry
4-It is carbon basic compounds ,tat means ?
A-Biochemistry*
B-Orgdinic chemistry*
C-Physical chemistry
5-gt is atype of chemistry that deal with all other elements ?
A-Inorganic chemistry*
B-Biochemistry
C-Physical chemistry*
6-It is atype of chemistry deal with methods of analysis?
A-Analytical chemistry
B-Biochemistry
C-Organic chemistry
7-………is atype of chemistry that deal with theory and concepts ?
A-physical chemistry*
B-Inorganic chemistry
C-Analytical chemistry
8- The metric units used ……..for measuring the mass*
A-Gram
B-Litter
C-Metter
9-The metric units used ……..for measuring time*
A-Second
B-Litter
C-Metter
10- The temperature in metric units measured by ……..?
A-Cilicous*
B-Kelvin*
C-thermometer
11-The metric unit for measuring volume’s………?
A-Litter
B-Meter
C-Kelvin*
12-International system of units (SI)used ………. For measuring electric current ?
A-Ampere*
B-Candela*
C-Second*
13-Interndtional of units used …….for measurimy concentration of substance in solution ?
A-Mole
B-Meter
C-Litter
14-Cpvert 5 hours into seconds are ?
A-1800
B-3600
C-1500
15-Convert one day into hours are…….?
A-12
B-24
C-36
16-Convert one day into seconds are…..?
A-86400
B-80400
C-76400
17-Convert lotions of lron into grams are ……..?
A-10000000
B-1000000
C-100000
18-This is pure substance in which only one type of atom is present ?
A-Compourd
B-Element
C-Mixture*
19-Why many element to und in our nature ?
A-90
B-92
C-85
20-It is type of mixture, that consist of a solute dissolved in a solvent*
A-Suspension
B-Solution*
C-Emulsion*
21-gt is an example on solution is …….?
A-salt in water*
B-Muddy water*
C-Milk*
22-gt is an example on suspension solution is …..?
A-Salt in water*
B-Muddy water*
C-Milk*
23-Complet the reaction copper +sulphur ـــــــــــــ> ………?
A-Copper nitnde*
B-Copper sulphiole*
C-Copper oxide*
24-It is a word derived form Greek word “atomos” which means indivisible?*
A-Nucleus
B-Atom
C-Electron
25-The atom contain positively charged nucleus which composed of ……. And …..?
A-Protons and electron*
B- Protons and neutrons*
C-Electron and neutrons*
26-The nucleus of atom is surrounded by ……… ?
A-Orbiting*
B-building
C-Streets
27-The symbol for silver and aluminum are ……….?
A-Ag and Cl
B-CL and AL
C-Ag and AL
28-The formula of nitric acid is ……..?
A-HNO3
B-H2SO4
C-NAOH
29-The sodium hyclroxide formula is ………?
A-NACL
B-NAOH
C-NA2CO3
30-………. Is describing of chemical reaction occur between reactant ?
A-Statistic equation
B-Chemical equation*
C-Biostatic equation

رد: ابي حل الاسئله هذي
 

رد: ابي حل الاسئله هذي
 

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لاترد ماتحدث الصفحه :41jg:

ايه كيميـأاااء Chemistry

اذا عندك اسئله حطهن :53:

رد: ابي حل الاسئله هذي
 

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