Yes, you can download the answer key for IIT JAM Chemistry even if your application is still under review. Here's how:

1. Visit the official website:
Go to the official website of IIT JAM (Joint Admission Test for M.Sc.) to access the answer key. Make sure to use the official website to avoid any fraudulent sources.

2. Look for the answer key section:
Once you are on the website, navigate to the answer key section. This section may be labeled differently on different websites, but it is usually easy to find. Look for options like "Downloads," "Answer Key," or "Solutions."

3. Find the IIT JAM Chemistry answer key:
Within the answer key section, locate the answer key specifically for the Chemistry paper of IIT JAM. The answer key may be available in a PDF format, which can be easily downloaded and viewed on your device.

4. Download the answer key:
Click on the provided link or button to initiate the download of the answer key file. Depending on your internet speed, the download may take a few seconds to complete.

5. Open the answer key:
Once the download is finished, locate the downloaded file on your device and open it using a PDF reader. You can use popular PDF readers like Adobe Acrobat Reader or any other software capable of opening PDF files.

6. Verify the answers:
After opening the answer key, you can compare your attempted answers with the provided solutions. This will help you assess your performance in the exam and estimate your score.

Important Note: It is crucial to remember that the answer key is not the official result. It is provided for reference purposes only. The final result will be declared by the exam conducting authority, and it may differ from the answers given in the answer key.

Conclusion:
Downloading the answer key for IIT JAM Chemistry is a simple process that can be done even if your application is still under review. By following the steps mentioned above, you can access the answer key, compare your answers, and get an idea of your performance in the exam. Remember to rely on the official website of IIT JAM for downloading the answer key to ensure its authenticity.