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प्रश्न
Choose the correct alternative from the choices given below for the following statement:
Which one of the following is a pesticide?
पर्याय
benzoic acid
aldrin
sugar
gunpowder
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उत्तर
aldrin
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संबंधित प्रश्न
What is chemistry?
Choose the correct alternative from the choices given below for the following statement:
Trinitrotoluene is used as
State the function of
The asbestos fixed at the center of the wire gauze.
Select the correct name from the choices given below for the following case.
A substance which dissolves grease & oil and is preferred as a – drain cleaner.
Match the apparatus A to J shown below with their correct names 1 to 10 given below:
1. Delivery Tube
2. Pipette
3. Wire gauze
4. Bee-hive shelf
5. Thistle funnel
6. Flat bottom flask
7. Test tube stand
8. Burette
9. Retort
10. Conical flask
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For gas preparations where heating is required.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For holding washed test tubes
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass apparatus closed at one end used for collecting gases.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass tube with a broad inlet at the top, which allows entry of the reactants into the round bottom flask, during laboratory preparations of gases.
A philosopher’s stone is not exactly a stone.
