A) CnH2n+2 B) CnH2n C) CnH2n-2 D) CnH2n+1
A) Zinc B) Tin C) Lead D) Gold
A) BaO B) Ba2O3 C) Ba(OH)2 D) Ba2O
A) Mg(OH)4 B) Mg(OH)2 C) Mg(OH)3 D) Mg(OH)
A) 2H2+2O2→2H2O B) H2+O2→2H2O C) H2+O2→H2O D) 2H2+O2→2H2O
A) CaOH B) Ca2H2O C) Ca(OH)2+H2 D) CaO+H2
A) Analyzing biological tissue B) Sequencing genetic material C) Examine and identifying metals and metal based evidence D) Define toxic chemicals
A) Chemical equations B) Chemical bonding C) Chemical reaction D) Chemical change
A) 4,3,2 B) 2,2,2 C) 2,3,2 D) 3,3,2
A) Reliability of test kits B) General acceptance of scientific evidence in court C) DNA sample collection methods D) Ethics of genetic testing
A) Propyne B) Ethene C) Propene D) Butene
A) Acetylene B) Ethanol C) Ethylene glycol D) Methane
A) Mitochondrion only B) Ribosome C) Cytoplasm D) Nucleus
A) AlF4 B) AlF2 C) AlF3 D) AlF
A) Use "-ous acid" suffix only B) Prefix "per-" is used C) Use "ate" suffix D) Use "hydro-" and add "-ic acid"
A) Copper sulfate water complex B) Copper (ll) sulfate hydrate C) Copper (ll) sulfate Penta hydrate D) Copper sulfate Penta hydrate
A) Double replacement reaction B) Combination reaction C) Decomposition reaction D) Single replacement reaction
A) Single replacement reaction B) Synthesis reaction C) Double replacement reaction D) Decomposition reaction
A) Sanger sequencing B) PCR C) Gel electrophoresis D) RFLP
A) 1 B) 2 C) 4 D) 3
A) Highly reactive at room temperature B) Soluble in water C) Contain double bonds D) Colorless, odorless, and tasteless
A) True B) False
A) 3 B) 4 C) 1 D) 2
A) Double replacement reaction B) Single replacement reaction C) Decomposition reaction D) Combination reaction
A) Metal welding B) Macro-etching C) Plasma scanning D) X-ray diffraction
A) H2SO4 B) NaCl C) CO2 D) CuSO4 5H2O
A) Binary compounds containing two nonmetal B) Binary compound containing a metal variable oxidation number and non metal C) Binary acids D) Binary compound containing a metal (fixed oxidation number) and a non metal
A) NH4+ B) NH2 C) NH3 D) NH
A) Melting the surface B) X-ray imaging C) Acid etching D) Sandpaper polishing
A) Four B) Three C) One D) Two
A) 2KCIO=2KCl+3O2 B) Sn+2AgNO2=Sn (NO2)2+2Ag C) Pb(NO2)2+K2CrO=pbCrO4+2KNO3 D) 16Al+3S8=8 Al2S8
A) Lead (lll) Bromide B) Lead Bromide (lll) C) Lead Bromide (ll) D) Lead (ll) Bromide
A) HcL+NaOH=NACL+HO B) HCl+Na (OH) =NaCl+H2O C) HCL+NAOH=NACL+H2O D) HCl+Na(OH)2=NaCl+H2O
A) Combination reaction B) Single replacement reaction C) Decomposition reaction D) Double replacement reaction
A) Used as a refrigerant B) Used in perfumes C) Used in miner's lamps D) Used in behaverage carbonation
A) Reactant B) Product
A) 2,3,1 B) 1,2,1 C) 1,3,2 D) 2,1,2 |