How many astronauts travelled in the challenger?
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What is one light minute?
Which of the following is used to coagulate synthetic fibers from solution? 1 Hydrochloric acid 2 Sulphuric acid 3 Nitric acid 4 None of these
Soda water contains 1 Nitrous acid 2 Carbonic acid 3 Carbon dioxide 4 Sulphuric acid
Who propounded the signs of the zodiac?
meron po bang minerals ang astoroids po ba?
precautions to be observed while using electrical equipment
In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration
Papepr is manufactured by 1 Wod and resin 2 Wood, sodium and bleaching powder 3 Wood and bleaching powder 4 Wood, calcium, hydrogen sulphite and resin
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these
What is the significance of international geo - physical year?
How many astronauts travelled in the challenger?
What is the life cycle ?