Question

1.An inorganic base dissociates in water into ?a)one or more hydrogen ions and one or more anions b)one or more hydroxide ions and one or more reactions c)one or more hydrogen ions and one or more captions d)one or more hydroxide ions and one or more anions                                                                                                                                 2.An atom becomes a cation by? a)accepting electrons into its outermost electron shell b)giving up electrons from its outermost electron shell c)donating protons to another atom d)accepting proton from another atom                                                                                                                                                                                                                              3.An atom of oxygen has 8 protons ,8electroenes and 8 neutrons.How would you expect the electrons to be arranged in this atom? a)all electrons are located in the nucleus of the atom b)all 8 electrons are located in the outermost electron shell c)all 8 electrons are located in the electron shell nearest the nucleus d)2 electrons are in the electron shell nearest the nucleus and 6 are in the second shell                                                                                                                                                                                              4.Which solution is acidic? a) H2O b)H2O+ NA(+) +OH(-) c) H20+H(+) +Cl (-) d)Na(+) + HCO3 (-)                                                                                                                     5.which of the following is true about the products of the chemical reaction?a) in the synthesis reaction , the products contain the fewer atoms than the reactants b) in the synthesis reaction , the products contain more atoms than the reactants c)in any chemical reaction the products may contain more or fewer atoms than the rectants because the reaction is a random event d)the products of chemical reactions always contain the same number of atoms as the reactants                                                                                   6.Can you choose which thing is not like others ? a)lactose b)maltose c)sucrose d )fructose                                                                                                                              7Which of the following is not organic compound? a)CO2 b)H2O c)CH2O d)NH3                                                                                                                                           8.Which of the following is a lipid ? a)C6H12O6 b)C22H44COOH c)C2H4NH2 d)CO2                                                                                                                                        9.Which of the following does not dissolve readily in a water? a)proteins b) amino Acids c) steroids d) Carbohydrates                                                                                 10.Which of the following is organic asid? a)H2CO3 b)NaOH c)HCL d)KCL                                                                                                                                                   11.Nitrogen is the element important to the composition of ? a)carbohydrate b)proteins and nucleis acids c)fats d)glycerol                                                                               12.Which of the following is protein ? a)sucrose b) cholesterol c)raffinose d)mannose                                                                                                                                               13.In the formation of a polymer , dehydration synthesis occurs between ? a) the amino groups of 2 different amino acids b)the acid groups of two different amino acids c)the amino group of one amino acid and the acid group of the other d)all of the above                                                                                                                                                      

Answer 1

1)

b) one or more hydroxide ions and one or more reactions

2)

b) giving up electrons from its outermost electron shell

3)

b) all 8 electrons are located in the outermost electron shell

4)

c) H20+H(+) +Cl (-)

5)

d)the products of chemical reactions always contain the same number of atoms as the reactants

6)

d )fructose                                                                             

7)

a)CO2 b)H2Od)NH3    

8)

b)C22H44COOH

9)

c) steroids

10)

a)H2CO3

11)

b)proteins and nucleis acids