31: Consider the following statements:

1. Anhydrous sodium carbonate is commonly known as baking soda.

2. Baking soda is used in fire extinguishers.

3. Bleaching power is manufactured in Hasenclever plant.

Which of the following statements given above is/are correct?

(a) 1 and 2
(b) 2 and 3
(c) 3 only
(d) 1, 2 and 3
32: Galvanised iron sheets are protected from rusting due to the presence of a layer of

(a) lead

(b) chromium

(c) zinc

(d) tin
33: Neap tides are produced in the first and third quarters of the Moon. Then,

(a) The Moon and the Sun are in conjunction with the other planets

(b) The Moon and the Sun are in opposition with each other

(c) The attractions of the Sun and the Moon are at right angles to each other

(d) The Moon and the Sun are in quadrant position to each other
34: In eye donation, which one of the following parts of donor's eye is utilised ?

(a) Iris
(b) Lens
(c) Cornea
(d) Retina
35: Whom did Mahesh Bhupati and Max Mirnyi beat in the US Open men's doubles tennis championship in the year 2002 to win the title?

(a) Wayne Black and Kevin Ullyett

(b) Mike Bryan and Bob Bryan

(c) Jonas Bjorkman and Todd Woodbridge

(d) Jiri Novak and Radek Stepanek