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