EASY
8th CBSE
IMPORTANT
Earn 100
Which of the following is an unicellular algae?
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Important Questions on Question Bank for Competitive Exams (NTSE/NSO)
EASY
8th CBSE
IMPORTANT
Yellow veins mosaic disease of lady's finger is caused by a _____.
MEDIUM
8th CBSE
IMPORTANT
Which of the following is a raw material for almost all synthetic fibres?
EASY
8th CBSE
IMPORTANT
_____ is world's first synthetic plastic.
MEDIUM
8th CBSE
IMPORTANT
Which of the following statements is true for metals?
MEDIUM
8th CBSE
IMPORTANT
Which of the following is the most reactive metal?
MEDIUM
8th CBSE
IMPORTANT
Hydrogen is included in the reactivity series of metals because _____.
(i) It is actually a metal.
(ii) It can lose electron to form a positive ion.
Which of the following is true?
HARD
8th CBSE
IMPORTANT
Which of the following is not a product of destructive distillation of coal?
EASY
8th CBSE
IMPORTANT
Oil was first discvered in India in , at _____.
