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