Question

प्र.13. दिए गए वाक्यों को कर्मवाच्य में परिवर्तित कर पुनः लिखिए-
अ) मैंने समुद्र देखा। ब) रोहित चित्र बनाता है।​

Answer 1

Answer:

1. मेरे द्वारा समुद्र देखा गया
2. रोहित के द्वारा चित्र बनाया जाता है

Answer 2

Answer:

The primary difference between the two is that Thermoset is a material that strengthens when heated, but cannot be remolded or heated after the initial forming, while thermoplastics can be reheated, remolded, and cooled as necessary without causing any chemical changes.

Examples for Thermoplastics are Polythene, Polypropylene, Polystyrene, Polyvinyl chloride (PVC), etc. Thermosetting polymers are the cross-linked polymers and heavily branched chains. Examples of Thermosetting polymers are Bakelite, Urea-formaldehyde resins etc.

Thermoplastics :

Plastics which have a linear arrangement of molecules are thermoplastics. Thermosetting plastics :

Plastics which have a cross - linked arrangement of molecules are called thermosetting plastics. These plastics cannot be remoulded again by gentle heating. Example - Bakelite , melamine , etc.

Explanation:

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