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