Chem Exam/ Test 3
Which of the following symbolizes a substance dissolved in water?
(aq)
What is the chemical formula for the ternary composed of Al3+ and CN- ions?
Al(CN)3
Predict the formula for the binary compound formed between barium and phosphorus?
Ba3P2
Which of the following pairs of elements would be met likely to form an ionic compound?
Cl and Mg
What is the chemical formula for the ternary compound composed of Co+3 and SO4@- ions?
Co2(SO4)3
What type of chemical reaction is illustrated in the following example? Al(s) +O2 (g)--->Al2O3
Combustion reaction
Based on Solubility Rules Which of the following compounds is soluble in water?
CuSO4
An Exothermic Reaction absorbs heat and therefore it always needs heat to occur?
False
Which of the following statements best describes the following reaction? FeCO3(s)---->FeO(s)+ CO2(g)
Heating 1mole of solid iron (2) carbonate gives 1mole of solid iron (2) oxide and 1mole of carbon dioxide gas.
Which of the statements below best describes the following reaction? HF(aq) + NaOH(aq)--->NaF(aq) + H2O(l)
Hydrofluoric acid and aqueous sodium hydroxide produces aqueous sodium fluoride and water
What is the Universal term from a systematic set if rules for naming chemical compounds?
IUPAC nomenclature
What is the term for a system of naming ionic compounds that designates the variable charge on a cation using Roman numerals in parentheses?
IUPAC system
Based on Solubility Rules, Which of the following sold compounds is insoluble in water?
Li2CO3 AgCl Cu(NO3)2 Zn(OH)2 BOTH B & D
What of the following compound can be considered as a Salt
LiBr
Which of the following metals can react with aqueous Al(NO3)3? Mg>Al>Zn>(H)>Cu
Mg
Which of the following elements can react with aqueous CuSO4 Mn>Ni>Pb>(H)>Cu
Mn Ni Pb ALL OF THE ABOVE
Which of the following an safely be consumed or utilized by Humans and other animals for good health? Mg, Ma+, Cl-, K, Ca2+, Fe2+, Na, Cl2
Na+, Cl-, Ca2+, and Fe2+
Which one of the following is most likely a covalent or molecular compound?
SF4
Which common acid is found in vinegar?
acetic acid
Which of th following is NOT an indicator of a chemical reaction in the lab?
breaking test tubes
Which common acid is found in Coka Cola& other soft drinks as a preservative?
carbonic acid
The chemical name for CLO-3 is chlorate ion. Therefore, the name of HCLO3 is
chloric acid
What type of chemical reaction is illustrated in the following example? KCLO3(s)---> KCl(s)+O2(g)
decomposition reaction
What type of chemical reaction is illustrated in the following example? NaBrO3(s)--->NaBr(s)+ O2(g)
decomposition reactions
What type of chemical reaction is illustrated in the following example? FeBr3(aq) + AgNO3(aq)---> Fe(NO3)3(aq) + AgBr(s)
double-replacement reaction
What is there term for a type of reaction in which an acid and a base react to produce Heat, salt, and water?
neutralization
What type of chemical reaction is illustrated in the following example? Zn(s)+ HCl (aq)---> ZnCl2(aq) +H2(g)
single-replacement reaction
