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
Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO3
What are cosmic rays?
What is one light hour?
What is the Protoplasm ?
What are reflecting nebulae?
define cartography?
When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these
What is the capacity of arihant’s atomic reactor?
Why sun seems to be a red colour while sun-rising and sun- setting?
how the Adams bridge was formed?
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose
Enriched uranium used in a nuclear reactor is 1 Uranium freed of all impurities 2 Uranium treated with radiation 3 Uranium alloyed with aluminum 4 Uranium with a high percentage of a particular isotope