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