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Q. Above 70 °C, sodium bicarbonate has a property of gradually decomposing, which makes it usable in Bakery products. Which among the following end product of this Thermal decomposition of Sodium bicarbonate makes it usable for the above purpose?

Q. Anesthesia which allows patients to undergo surgery without the distress and pain they would otherwise experience, has been practiced by man since ancient times. Which among the following plant is the most ancient source of anesthesia preparations?

Q. Which among the following is true about Total Internal Reflection?

Q. Which of the following groups of plants is known as Magnoliophyta?

Q. In which year India was certified as being free of variola (small pox virus) due to Indian national smallpox eradication programme (NSEP) and its intensified version (INSEP)?

Q. Which among the following compound is most commonly used in the Photochromic lenses?

Q. Consider the following: 1. Submarine Communications 2. AM Radio 3. Short Wave Radio 4. Radar Arrange the above in increasing frequency of the waves used in their applications.

Q. Which among the following was first human-made plastic?

Q. Horses can also digest cellulose from grasses because _______?

Q. A health problem which is characterized by inability of the bone marrow to produce the red blood cells is placed in which among the following groups?