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