1.An ionic bond is created by ? a)a positive and negative ion attracting eachother b)two or more positive ions combining c)two or more negative ions combining d)none of the above
2.A transfer of electrons from one atom to another occurs? a)in all chemical reactions b)in the formation of all chemical bonds c)in the formation of covalent bonds d)none of the above
3.When cucrose is mixed with water and the proper enzyme , the sucrose molecule splits into glucose and fructose the reaction is an example of? a)hydrolysis b)dehydration c)synthesis d)anabolism
4.Which of the following compounds is an organic acid ? a)H2CO3 b)NaOH c)HCl d)KCL
5.Which of the following is a protein ? a )sucrose b)cholesterol c)Raffinose d)Mannose
6.In the formation of 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 amono group of one amino acid and the acid group of the other d)none of the above
7.Which of the following is protein? a)surcase b)cholesterol c )raffinose d)mannose
8.The combination of glucose and galactose forms ? a)fructose b)maltose c)lactose d)Surose