591. Which among the following acids is abundant in Grapes, Bananas and Tamarind?
A. Lactic Acid
B. Oxalic Acid
C. Salicylic Acid
D. Tartaric Acid
✅ The correct answer is option D.
SSC
592. To keep the hot glass item‘s finishing and transparency , they go through a process called annealing. This process involves _______?
A. cooled rapidly
B. cooled very slowly
C. cooled slowly and uniformly under controlled environment
D. heating rapidly
✅ The correct answer is option C.
593. Which among the following are constituents of Brass?
A. Zinc and Copper
B. Iron and Zinc
C. Copper and Nickel
D. Iron and Copper
✅ The correct answer is option A.
594. Water at 4 degree centigrade has____?
A. minimum density
B. maximum density
C. No density
D. None of the above
✅ The correct answer is option B.
595. Identify the non-metallic mineral from the given options:
A. Manganese
B. Magnesium
C. Silica
D. Bauxite
✅ The correct answer is option C.
596. Which among the following is not a use of Graphite?
A. making of electrodes
B. lubricant
C. manufacturing of crucibles,
D. Glass cutting
✅ The correct answer is option D.
597. Which among the following is called Laughing Gas popularly?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen penta oxide
D. Nitrogen
✅ The correct answer is option B.
598. Which of the following group characterizes alcohols?
A. OH group
B. COOH group
C. COO group
D. CO group
✅ The correct answer is option A.
599. White Phosphorous is represented by which among the following symbols?
A. P1
B. P2
C. P3
D. P4
✅ The correct answer is option D.
600. Sodium Alkyl Sulphate and Benzene Sulphate are examples of ________
A. Explosives
B. Insecticides
C. Fungicides
D. Synthetic Detergents
✅ The correct answer is option D.