Q1.Which of the following was known as Aqua Fortis in ancient times?
Q2.The sour taste of curd is due to the presence of which of the following constituents?
Q3.Nail polish remover contains
Q4.By what name is Acetylsalicylic Acid better known?
Q5. Birds which swim in water have –
(a) webbed feet
(b) broad wings
(c) long beaks
(d) toes with claws