৭১১১
If t1/2 of a compound is 50 mins, calculate its elimination rate constant (Kel).
উত্তর
0.0139 min^-1
সমাধান
We know, t1/2 = 0.693 / Kel => Kel = 0.693 / 50 = 0.0139 min^-1.
৭১১৫
Which one is not a semi-solid dosage form?
উত্তর
Suspension
সমাধান
Ointments, creams, pastes, gels হলো Semi-Solid dosage form; Lotions, emulsion, Suspension, Solutions ইত্যাদি হলো liquid dosage forms।
৭১১৬
Which one among the followings is not an API (Active Pharmaceutical Ingredient) -
উত্তর
Sucrose
৭১১৯
Which one among the followings is not an 'anionic surfactant'?
উত্তর
Cetyl alcohol
সমাধান
'anionic surfactant'-এর মধ্যে রয়েছে ammonium lauryl sulfate, olefin sulfonate, sodium stearate, taurates (mild)। অন্যদিকে, cetyl alcohol is nonanionic surfactant.