HDPE

Q.

What are Grignard reagents?

Q. What makes HDPE have higher density and strength as compared to LDPE?

1. It's because of the crosslinked molecular chains which enable better packing
2. It's because of linear chains which lead to better packing
3. It's because of branched chains which lead to better packing
4. It's because of a crystalline structure

Q.

Zeigler-Natta catalyst is used in the preparation of:

1. High-density polythene

2. Low-density polythene

3. PVC

4. Dacron

Q. Select the properties of HDPE.

1. High density
2. High tensile strength
3. Low branching
4. Crosslinking

Q. For the preparation of high density poly ethylene, ethylene is used as hydrocarbon solvent .

1. True
2. False