---
metadata:
  - name: generator
    content: Diplodoc Platform v5.46.1
alternate:
  - https://yandex.kz/support/geo-adv/en/categories/acids.md
  - https://yandex.kz/support/geo-adv/ru/categories/acids.md
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.kz/support/geo-adv/en/llms.txt

# Chemical substances

Ads for acids, gases, as well as mercury testing and mercury collection services are subject to certain restrictions on Yandex Geo Advertising. This is due to legal requirements and Yandex policies.

You can advertise:

- [Medical acids and gases whose sale isn't restricted by law](https://yandex.kz/support/geo-adv/en/categories/acids-medical.md)
- [Non-medical gases and acids](https://yandex.kz/support/geo-adv/en/categories/acids-not-medical.md)

You can't place ads for nitrous oxide (laughing gas) on Yandex Geo Advertising.

<!-- source: en/_includes/thematics/docs-4.md -->
Your ads must meet the legal requirements of the countries where you want to serve them.
<!-- endsource: en/_includes/thematics/docs-4.md -->

<!-- source: en/_includes/reusables/categories-requirements.md -->
[Other placement requirements](https://yandex.kz/support/geo-adv/en/moderation.md).
<!-- endsource: en/_includes/reusables/categories-requirements.md -->

<!-- source: en/_includes/thematics/docs-10.md -->
{% note alert %}

This list isn't complete. All rules and requirements are set out in the following documents:

- [General provisions. Requirements for advertising materials](https://yandex.com/legal/general_adv_rules_ch/).

- [Yandex advertising rules and requirements](https://yandex.com/legal/adv_rules_ch/).

{% endnote %}
<!-- endsource: en/_includes/thematics/docs-10.md -->


<!-- source: en/_includes/chat-button.md -->
<a href="https://yandex.ru/chat?context=%7B%22entrypoint%22%3A%22%7B%5C%22page_name%5C%22%3A%5C%22help_geoadv%5C%22%7D%22%7D#/user/fe675a06-3749-94b7-6aa2-6ff9ddc4905d" target="_blank">
  <span class="button">Support chat</span>
</a>


<!-- endsource: en/_includes/chat-button.md -->



<!--{% include [Письмо в поддержку](../_includes/support-button-1.md) %}-->