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